Ruin III (Final Fantasy XIV)

Ruin III is a spell from Final Fantasy XIV that deals damage to a single target.
==Mechanics==
PvE version 	PvE version
Base mechanics	
*Deals unaspected magic damage with a potency of 300 to a single target
*Activates the global cooldown (GCD)
*Potency is increased by 50 during
Traits 	
*Innate: upgrades to Ruin III
*Innate: increases damage by 30%
*Level 58: upgrades Aethercharge to , which replaces Ruin III with while active
*Level 70: upgrades Dreadwyrm Trance to ; interaction with Ruin III unchanged
*Level 80: temporarily replaces Summon Bahamut with after the effect ends; Summon Phoenix replaces Ruin III with while active
*Level 84: increases base potency to 310
Formulae 	Base damage formula:Damage = \lfloor Potency * f(Intelligence_{DMG}) * f(Determination) \rfloor * f(Magic Damage) \rfloor * 1.3 \rfloorWhere potency can be 300 initially, 350 during Aethercharge, or 310 with Ruin Mastery IV.
Formulae 	Cast/recast time formula:Cast = \lfloor ( 100 - Haste ) * \lfloor ( 2 - f(Spell Speed) ) * Time \rfloor / 1000 \rfloor / 100 Where Time can be 1500 for cast time or 2500 for recast time.
PvP version 	PvP version
Base mechanics	
*Deals unaspected magic damage with a potency of 1600 to a single target
*Activates the global cooldown (GCD)
*Replaced by during
==Use==
Ruin III deals damage to a single target with no additional effects, providing steady but unimpressive damage. When fighting three or more enemies, or should be used instead. When there is nothing else appropriate to cast, Ruin III is the spell to fall back on.
Aethercharge increases Ruin III's potency by 50, providing a significant damage increase. Aethercharge is eventually upgrade to and later , during which Ruin III is replaced by the much stronger . When is acquired, it similarly replaces Ruin III with .
Ruin III's cast time is slightly lower than the 2.5 second global cooldown (GCD), allowing players a short window in which they can use off-global cooldown (oGCD) abilities such as between spellcasts.
===PvP===
Ruin III fills the same purpose in PvP, and is still replaced with during , though it loses it synergy with .
== Patch history ==
Version 	Changes
Heavensward 	
*Added at 120 potency and 12% base MP cost
*MP cost reduced to 2% base MP while under the effect of 
*Was a distinct spell from Ruin and Ruin II rather than an upgraded form of them
Patch 3.2 	
*Potency increased to 200
Stormblood 	
*Potency reduced to 150
*Level 62 trait added; granted a 15% chance to grant after a pet used an action, upgrading Ruin III to 
* now inflicted , increasing Ruin III's potency against the afflicted target by 20 for 15 seconds
*No longer available in PvP; new PvP exclusive version added; see below for its patch history
Patch 4.1 	
*Potency reduced to 130
*Base MP cost reduced to 2% base MP
*Dreadwyrm Trance effect changed to lower cast time to instant rather than lowering MP cost
* effect changed to upgrade to Ruin III, icon changed and required level reduced to 54
Patch 4.2 	
*Potency reduced to 120.
Shadowbringers	
*Potency reduced to 100
*Additional effect added that increased potency to 150 if the target was afflicted by a Bio or Miasma effect applied by the caster, or to 200 if both effects were applied
*MP cost set at 200 with MP system overhaul
*Dreadwyrm Trance effect removed from Ruin III tooltip; Dreadwyrm Trance instead reduced all spellcasting time by 2.5 seconds; Ruin III/Dreadwyrm Trance synergy functionally unchanged
*Level 72 trait allowed to spread Ruination to nearby enemies
*Level 76 trait extended Ruination duration to 30 seconds
* added; while active, replaced Ruin III with
Patch 5.08 	
*Potency increased to 200
*Additional effect removed
Patch 5.1 	
*Tri-disaster and Bane no longer inflict Ruination
Endwalker 	
*Now replaces Ruin II via Ruin Mastery II, rather than Ruin via Ruin Mastery; required level unchanged
*Base potency increased to 300
*Cast time reduced to 1.5 seconds
*MP cost increased to 300
*Aethercharge added, increasing Ruin III's potency by 50 while active
*Dreadwyrm Trance and Summon Bahamut now replace Ruin III with Astral Impulse while active
*Fountain of Fire now replaces Ruin III during rather than Firebird Trance
*Level 84 trait Ruin Mastery IV added, increasing Ruin III's base potency to 310
Version 	Changes
Stormblood 	
*Added at 750 potency, instant cast time, and 2.3 second recast
*Changed to while under the effect of
Shadowbringers	
*Potency increased to 1200
*Cast time increased to 1.5s seconds
*Recast time increased to 2.4 seconds
*Now changed to Ruin IV while Demi-Bahamut was summoned rather than during Dreadwyrm Trance
*Changes to while Demi-Phoenix is summoned
Patch 5.1 	
*Potency increased to 1600
*No longer changes to Ruin IV
*Now changes to Fountain of Fire while under the effect of rather than while Demi-Phoenix is summoned
Category:Summoner actions in Final Fantasy XIV
Category:Summoner PvP actions in Final Fantasy XIV