Clan War Leagues

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==Summary==
*Clan War Leagues is a feature that was added in the Version 11 update on October 23rd, 2018.
*In War Leagues, groups of 8 clans compete against each other to progress through the leagues, as well as win rewards. The highest leagues offer the biggest rewards and show that the clans in them are the best of the best! Supercell described Clan War Leagues as "Eight Clans Enter, One Clan Leaves" in a YouTube video.
==How War Leagues Work==
*Each League runs once per season, at roughly the same time as each other.
*Once every season, there will be a two-day League sign-up period, where Clans can sign up for the War Leagues.
*Once a Clan has signed up, they will be placed in a group with seven other Clans in the same league as the Clan.
*After the group has been set, the War League begins, and lasts for eight days. The Clans will begin a round-robin tournament, where each Clan battles every opposing Clan once.
*At the end of the War League period, the best performing Clans in the group will be promoted to the next higher league, while the worst performing Clans will be demoted to the next lower league. If your clan places last and your Clan is in the lowest league, your Clan will not be demoted.
*Players receive League Medals as rewards for their participation in the War League, and these medals can be spent on various items.
*Clan Leaders and Co-leaders can assign bonus League Medals as a reward to the best-performing members of the clan.
==Sign-Up Period==
*When the Clan War Leagues begin, there will be a two-day sign-up period. During this period, the Leader or Co-leader who enters the Clan into signing up must choose a roster of players who will enter the League. The roster must consist of at least 15 players, though the roster can include everyone in the Clan (i.e. up to 50 players), provided they are eligible for war.
*If the Clan is in Master League I or below (or is unranked), the leader can choose between doing 15v15 wars or 30v30 wars if the roster is large enough for the latter. Clans in the Champion Leagues will only be able to do 15v15 wars.
*Anyone in the roster will be able to play in the War Leagues. Anyone outside the roster cannot participate in the War Leagues (though they can still play an outside role, for example donating troops for attacks in the League or by telling/showing them strategies).
*During the sign-up period, regular Clan Wars will be unavailable, though ongoing wars can still continue. Clans in ongoing wars will not be able to sign up until the war is concluded.
*Once a Clan has signed up for the War Leagues, they are placed in the League they are in, and are matched with other clans that are in the same league.
**Clans that sign up for the first time will be placed in a League based on the strength of the top 15 or 30 players in the roster, depending on the size of the war the Clan has chosen. Depending on this strength, the Clans can be placed as high as Master League I.
**In subsequent sign-ups, the league is the sole determining factor in Clan War League matchmaking; Town Hall levels and players' offensive and defensive capabilities have no effect.
*Clans that do not sign up for the War Leagues can still play regular Clan Wars and Friendly Wars during the War League period.
*Anyone not in a Clan's War League roster can participate in normal Clan Wars and Friendly Wars in another Clan. They can even join another Clan's roster so as long as that Clan has not yet signed up.
**Players in a Clan's roster can still participate in Clan Wars and Friendly Wars, but only in a Clan that did not sign up for the War Leagues. To do so, however, the player must leave their Clan and join the Clan doing the regular wars.
**Players can only be in one Clan's War League roster at any one time. Once they have been signed up by the Leader or Co-leader for a particular Clan, their War League participation is only limited to that Clan. The player will only be eligible for War League rewards in the Clan they participate in.
==The War League==
*Each group in a War League consists of eight Clans.
*Each War League lasts for eight days, during which each Clan will participate in seven wars; one war against each opposing Clan.
**In rare cases, groups in War Leagues might consist of six clans, due to insufficient clans remaining in the matchmaking pool. The duration of the War League and number of wars is reduced accordingly to fit the smaller group size, such that each Clan still wars against each other Clan once in the league.
*Once a group has been formed, preparation day for the first war begins.
*During each preparation day, two things are done:
**The leader chooses 15 or 30 members (depending on the size of the war) from the roster to enter the war.
**Participants can donate defensive Clan Castle troops to one another, like in a regular Clan War. They only need to be in the roster to donate; unlike normal Clan Wars, they do not have to participate in the war itself.
*To prevent spying, members that are not in a Clan's roster will not be able to view the war maps. Originally this rule only applied to the Champion Leagues, but has since been extended to all leagues in the June 2020 update.
**Elders or higher in the Clan will still be able to view the war maps and participate in donation preparations, and members that have stayed for a while after joining a Clan.
*Once a preparation day ends, the Battle Day for a war begins. At the same time, a new Preparation Day for the next war begins, unless all seven preparation days have passed.
*To summarize, a schedule for the War Leagues would be as follows:
**Day 1: Preparation day for the 1st war;
**Day 2: Preparation day for the 2nd war, and Battle day for the 1st war;
**Day 3: Preparation day for the 3rd war, and Battle day for the 2nd war;
**...and so on, until Day 8, where only Battle day for the 7th war occurs.
**There is often a buffer period (which may last minutes or hours) between the end of a preparation day and the start of the preparation day for the next war. As such, the timing of the wars may be offset by several hours between the start and end of a league.
*During each battle day in the War League, each player gets only one attack. This is in contrast to regular Clan Wars, where players can use two attacks.
*Aside from being in a league setting, Clans can still earn war loot and Clan XP in the same way as they do in a Clan War. Players can earn war loot that they've won even if they leave the Clan before the relevant war concludes.
**War loot earned from a war league attack is double the amount earned from attacks in regular Clan Wars. This is likely to compensate for the fact that players only have one attack in each war. However, the amount of Clan XP earned does not change.
==Season Info==
File:CWL Info1.JPG|The Group tab shows the current standing of Clans in the Group
File:CWL Info2.JPG|Tapping on a Clan's stars shows a breakdown of how their War Stars were earned
File:CWL Info3.JPG|The Rounds tab is a quick way to check what happened in the Wars between other Clans in your Group
File:CWL Info4.JPG|The Clan tab is a great way to keep tabs on how your Clan mates are performing.
*Clans compete to obtain the most stars, as that is the first criteria for rankings in the league. Aside from stars obtained normally, clans will receive a 10-star bonus for winning a war.
*During a League, anyone can view the standings of each clan in the League under "Group", and also the scores of each war in "Rounds", including those wars involving other clans.
*Under the "Clan" tab, players can view the statistics of how each member in the roster performed so far in the league, breaking down the number of stars collected by each member, the total destruction accrued, and the number of attacks completed.
*Players can navigate between the seven wars by seven buttons in the War League interface; each number corresponds to a war, in the order your Clan fights them in. There are three symbols that can appear on top of each number:
**A colored tick appears for each completed war. The tick is colored green if your clan won that war, red if your clan lost that war, and white if your clan tied that war.
**A shield with a sword in front signifies a war in which a Battle Day is ongoing.
**A shield with a gear in front signifies a war in which a Preparation Day is ongoing.
**If a number has no symbol above it, it signifies an upcoming war where preparation day has not started yet.
==Results==
*At the end of the War League, each clan will either remain in their own league, get promoted to the next higher league, or get demoted to the next lower league, based on their performance relative to others in their league.
*Clans are ranked by number of stars won (including bonus stars won by winning a war). If Clans have the same number of stars, then the tiebreaker would be the total destruction accrued throughout the course of the league.
*Depending on the league, the clans in the group with the most stars will be promoted to a higher league, while the clans in the group with the least stars will be demoted to a lower league. The table below illustrates how many clans are promoted and demoted from each league.
**While Clans may be "unranked" prior to joining a War League for the first time, once they have joined, they cannot be demoted from Bronze League III.
**Likewise, as Champion League I is the highest league, Clans cannot be promoted from that league.
**The table only applies for groups with eight clans; for groups with fewer than eight clans, fewer clans may be demoted or none at all, depending on the group size. For example, for a group of 6 clans in Crystal II (where the top two clans in a group of eight are promoted and the bottom two are demoted), the top two clans will be promoted as normal, while no clan will be demoted.
League 	Number of Clans Promoted	Number of Clans Demoted
Bronze III 	3 	0
Bronze II - Bronze I 	3 	1
Silver III 	2 	1
Silver II - Crystal II 	2 	2
Crystal I - Champion II	1 	2
Champion I 	0 	3
*The number of League Medals awarded for each league position is shown in the first table below.
**There is a pattern for the medal rewards: 
***Each league has a difference in medal rewards between consecutive positions. This difference is fixed for a particular division (Bronze, Silver, Gold, etc.), and starts at 2 in Bronze Leagues, going up to 7 in Champion Leagues.
***The medal rewards for the 7th-placed clan of a league is equal to the medal rewards for the 1st-placed clan of the previous league; this excludes Bronze I, whose top prize is 34 medals for 1st place.
*Each player in each Clan's roster receives League Medals depending on how the Clan performed in the league, and how many stars the player earned (this holds true even if the player leaves or gets kicked from the clan). Players earn a percentage of the full medal rewards for scoring certain numbers of stars (fractions are rounded to the nearest integer (?)), see the second table below for information:
War League 	War League	Medal Rewards for League Position	Medal Rewards for League Position	Medal Rewards for League Position	Medal Rewards for League Position	Medal Rewards for League Position	Medal Rewards for League Position	Medal Rewards for League Position	Medal Rewards for League Position
War League 	War League	1st 	2nd 	3rd 	4th 	5th 	6th 	7th 	8th
Bronze III 	 	34 	32 	30 	28 	26 	24 	22 	20
Bronze II 	 	46 	44 	42 	40 	38 	36 	34 	32
Bronze I 	 	58 	56 	54 	52 	50 	48 	46 	44
Silver III 	 	76 	73 	70 	67 	64 	61 	58 	55
Silver II 	 	94 	91 	88 	85 	82 	79 	76 	73
Silver I 	 	112 	109 	106 	103 	100 	97 	94 	91
Gold III 	 	136 	132 	128 	124 	120 	116 	112 	108
Gold II 	 	160 	156 	152 	148 	144 	140 	136 	132
Gold I 	 	184 	180 	176 	172 	168 	164 	160 	156
Crystal III 	 	214 	209 	204 	199 	194 	189 	184 	179
Crystal II 	 	244 	239 	234 	229 	224 	219 	214 	209
Crystal I 	 	274 	269 	264 	259 	254 	249 	244 	239
Master III 	 	310 	304 	298 	292 	286 	280 	274 	268
Master II 	 	346 	340 	334 	328 	322 	316 	310 	304
Master I 	 	382 	376 	370 	364 	358 	352 	346 	340
Champion III	 	424 	417 	410 	403 	396 	389 	382 	375
Champion II 	 	466 	459 	452 	445 	438 	431 	424 	417
Champion I 	 	508 	501 	494 	487 	480 	473 	466 	459
Number of Stars Earned	Percentage of Medals Earned
0 	20%
1 	30%
2 	40%
3 	50%
4 	60%
5 	70%
6 	80%
7 	90%
8 and above 	100%
275px|right|thumb|The screen seen by the Clan leader as they give out medal bonuses.
*At the end of the War League, the Clan leader or Co-leader(s) can choose to award bonuses of League Medals to players in the roster as they desire. They will have a base number of bonuses to award, and gains one more bonus to award for every war win. The number of bonuses, as well as the size of the bonus, depends on the League of the Clan they participated in.
**The Leader or Co-leader(s) have 21 days to choose the players that will be awarded the bonuses, and must award all the bonuses at the same time.
**Once decided to whom the rewards are given, the players will be notified in Clan chat which players were awarded the bonuses. The message will come from the co-leader or leader in this case who awarded the bonus and the message will be titled as though the message was entered by the awarder themselves: "Gave Clan War League bonuses to player one, player two, etc.".
**The bonuses can be awarded to anyone in the roster, even the players who have left or were kicked out of the clan.
War League 	War League	Number of Guaranteed Bonuses	League Medals per Bonus
Bronze III 	 	1 	35
Bronze II 	 	1 	35
Bronze I 	 	1 	35
Silver III 	 	1 	35
Silver II 	 	1 	40
Silver I 	 	1 	45
Gold III 	 	2 	50
Gold II 	 	2 	55
Gold I 	 	2 	60
Crystal III 	 	2 	65
Crystal II 	 	2 	70
Crystal I 	 	2 	75
Master III 	 	3 	80
Master II 	 	3 	85
Master I 	 	3 	90
Champion III	 	4 	95
Champion II 	 	4 	100
Champion I 	 	4 	105
==League Medals==
*When you finish reading the Clan War Leagues tutorial by the Villager, you will be given 50 League Medals for free.
*After the tutorial, League Medals are obtained through the methods as explained above:
**Through a combination of the Clan's League placement and number of stars scored against opponents in the League;
**By being awarded a bonus by the Clan leader.
*League Medals can be spent in a special section of the Home Village shop. They can be used to purchase various items, which are listed below. Some items, particularly the decorations, require the player's Clan to be a certain league in order to be unlocked.
*The Hammers have a 7-day cooldown; once one is purchased, the player will have to wait 7 days before purchasing another hammer of the same type. The player can still purchase hammers of other types during this period, but will be subject to their respective cooldowns.
*Players can only have up to 2,500 League Medals at a time. If the player earns any more, the excess will be converted into Gems; one Gem will be earned for every 10 medals in excess. This should be avoided, as players can buy a Resource Potion for 10 medals and then sell it for 10 gems (although this is not a good trade either).
Item	Name 	Type 	Price	Notes
 	2,500,000 Gold 	Resources 	25 	Can only be bought when there is enough storage space.
 	2,500,000 Elixir 	Resources 	25 	Can only be bought when there is enough storage space.
 	Training Potion 	Magic Items 	10 	N/A
 	Resource Potion 	Magic Items 	10 	N/A
 	Research Potion 	Magic Items 	20 	N/A
 	Builder Potion 	Magic Items 	30 	N/A
 	10x Wall Ring 	Magic Items 	50 	N/A
 	Hammer of Fighting 	Magic Items 	120 	There is a cooldown of one week per hammer type.
 	Hammer of Building 	Magic Items 	120 	There is a cooldown of one week per hammer type.
 	Hammer of Spells 	Magic Items 	120 	There is a cooldown of one week per hammer type.
 	Hammer of Heroes 	Magic Items 	165 	There is a cooldown of one week per hammer type.
 	The Warrior Statue 	Decorations 	100 	N/A
 	The Challenger Statue	Decorations 	250 	Clan must be in Gold League I or higher
 	The Contender Statue 	Decorations 	500 	Clan must be in Crystal League I or higher
 	The Master Statue 	Decorations 	1,000	Clan must be in Master League I or higher
 	The Champion Statue 	Decorations 	2,000	Clan must be in Champion League I
 	League King skin 	Hero Skins 	2,000	
 	League Queen skin 	Hero Skins 	2,000	
 	League Warden skin 	Hero Skins 	2,000	
 	League Champion skin 	Hero Skins 	2,000	
 	War Arena Scenery 	Scenery (War Base)	2,400	
de:Clankriegsliga
es:Liga de Guerra de Clanes
Category:Gameplay
Category:Clans
==Trivia==
*There are three backgrounds from a map that are inspired from two arenas in Clash Royale, which are Frozen Peak, Spell Valley, and Bone Pit.
*The February 2022 and February 2024 seasons of Clan War Leagues were shortened, such that clans were grouped into groups of six clans rather than the usual eight. Changes made for the season were as follows:
**The war win bonus earned from an attack was three times the amount earned from regular Clan Wars (an increase of 50% from normal Clan War League attacks);
**The number of League Medal bonuses that can be awarded was increased by two;
**The promotion and demotion thresholds were changed as below:
League 	Number of Clans Promoted	Number of Clans Demoted
Bronze III - Bronze I 	3 	0
Silver III 	2 	0
Silver II - Crystal II 	2 	1
Crystal I - Champion II	1 	1
Champion I 	0 	1