Battle Tower (Generation II)

The Battle Tower (Japanese: バトルタワー Battle Tower) in Generation II was the first Battle Tower in the Pokémon games, debuting in . It is Johto's premiere battle facility, located at the northernmost part of , west of Olivine City.
As the first battle facility in the series, it introduced many of the special rules that would later be expanded upon for battle facilities introduced later. One addition, introduced in , that the Battle Tower in Crystal lacks is a leader who is in charge of the battle facility. Another difference with later battle facilities is that the Battle Tower in Pokémon Crystal is built on the same landmass as the rest of the region and may be challenged before the has become the . The Battle Tower in Crystal also allows any Legendary Pokémon to participate, though later generations would ban many of them.
In the Japanese version of Pokémon Crystal, the Battle Tower utilizes the Mobile System GB.
==In the games==
The original Battle Tower established the basic rules of all Battle Tower challenges. Later Battle Towers would modify some of these basic rules to be somewhat more restrictive.
Its slogan is Take the Ultimate Trainer Challenge! (Japanese: Become the Strongest Trainer!).
===Access===
====Japanese version====
In the Japanese version of , the Battle Tower is unlocked once the player connects to Mobile System GB for the first time, which requires the Mobile Game Boy Adapter. While the Battle Tower is locked, its doors display the message "The BATTLE TOWER's doors are closed…" (). After being unlocked, they instead return the message "It's open!" ().
Since the discontinuation of the Mobile System GB in 2002, it is no longer possible to unlock the Battle Tower in the Japanese version of Pokémon Crystal. The Battle Tower is also inaccessible in the Virtual Console version.
====Western language versions====
In the Western language versions of , the Battle Tower is always accessible (even in the Virtual Console version). The doors can no longer be interacted with, so the localized messages from the Japanese version are unused.
===Challenges===
Battle Tower challenges are made by entering three of the player's with the attendant at the front desk. The attendant will then guide the player to a special room where they will against seven opponents in a row, healing between each battle. After the seven s have been defeated, the player will be rewarded with five of a stat-increasing nutritious drink.
===Restrictions===
The Battle Tower has several restrictions aside from the amount of that can be entered.
* All Pokémon must be less than or equal to the level of battle challenged. Levels are in intervals of 10, and the can only choose levels 60 to 100 after entering the Hall of Fame.
* No two Pokémon can be holding the same item.
* Items cannot be used by s on their Pokémon.
* , , , , and are only allowed to be entered if the level chosen is 70 or higher. s are not allowed to enter.
===Unobtainable Pokémon===
Certain Pokémon cannot normally be obtained at lower enough levels to enter low-level challenges (e.g. and cannot be legitimately obtained at level 10). However, the game does not validate whether a Pokémon is legitimately obtainable at a specific level.
===Prizes===
===Japanese Crystal===
In Japanese Crystal, the Battle Tower is directly associated with the Mobile System GB. Further multiplayer features are available, including mobile s, for which a small price is charged on the players' mobile phones. If the player battled well enough, they could become a Room Leader (Japanese: Room Leader). All Room Leaders would be registered in the Honor Roll of the Mobile Center for posterity.
==Trainers==
The following Trainers may appear during the Battle Tower challenge. All of them use randomly-determined teams, depending on the level of the selected challenge.
:See also: List of Battle Tower Pokémon in Generation II
	Hanson 		Sawyer 		Masuda 		Nickel 		Olson 		Zaborowski		Wright
	Alexander		Kawakami		Bickett 		Kimono GirlSaito		Crawford 		Diaz 		Erickson
	Fairfield		Hunter 		Hill 		Javier 		Kaufman 		Lancaster 		Mcmahill
	Obrien 		Frost 		Morse 		Yufune 		Rajan 		Rodriguez 		Santiago
	Stock 		Thurman 		Valentino		Wagner 		Yates 		Andrews 		Bahn
	Mori 		Buckman 		Cobb 		Hughes 		Kimono GirlArita		Easton 		Freeman
	Giese 		Hatcher 		Jackson 		Kahn 		Leong 		Marino 		Newman
	Nguyen 		Ogden 		Park 		Raine 		Sells 		Rockwell 		Thornton
	Turner 		Van Dyke		Walker 		Meyer 		Johnson 		Adams 		Smith
	Tajiri 		Baker 		Collins 		Smart 		Dykstra 		Eaton 		Wong
==Layout==
Version	1F 	Elevator	Hallway	Battle Arena
 	 	 	 	
  	 	  	  	 
==In animation==
===Pokémon the Series===
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The Battle Tower made a brief appearance in Fight for the Light!, where mistook it for an office building and tried to get in, but to no avail as the security officers asked for Gym Badges.
==In the manga==
===Pokémon Adventures===
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In Querulous Qwilfish, the Battle Tower was under construction and was due to be finished in a month. A tank that was collecting waste from the construction cracked under pressure, spilling its contents into the sea nearby and contaminating the water. As a result, attacked a worker and out of anger and to protect a baby Qwilfish that became sick due to the pollution. It was also where first appeared, purifying the water and curing the baby Qwilfish in the process.
In Popular Pupitar, was revealed to have first met Lance at the Johto Battle Tower construction site, wanting to question him if he knew anything about the that the Masked Man had used to kidnap him nine years earlier.
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In Deprogramming Porygon-Z, mentioned the Johto Battle Tower (as well as the Hoenn Battle Tower) when she was explaining the .
==Trivia== 
* In , several s are references to its development staff.Battle Tower In‐Jokes
** Masuda is a reference to Junichi Masuda, the game's music director.
** Tajiri is a reference to Pokémon's creator, Satoshi Tajiri, and his childhood fixation with bug catching.
** Mori and Kawakami are, respectively, a reference to Akito Mori and Naoko Kawakami, who are listed under "special thanks" in the credits.
==In other languages==
==References==
==Related articles==
 
Category:Johto locations
Category:Towers
Category:Battle facilities
Category:Gold, Silver and Crystal locations
de:Duellturm (Johto)
es:Torre Batalla (Pokémon Cristal)
fr:Tour de Combat (deuxième génération)
it:Torre Lotta (Johto)
ja:バトルタワー (第二世代)
zh:对战塔（水晶版）