Raids:Arcarum The Tower Extreme

The Tower Edit battle
Cost to Host: 0 AP	Unlock: May appear as final boss of Sephira Plains 9-3, Point Celsus (Extreme).

Wave	Name	Lvl	HP	Charge	Mode
Boss	The Tower	90	20,000,000	◇◇◇◇◇◇◇	Yes
	Special Attacks		Triggers and Notes
	Callous Fist TR Large Earth damage to one ally. Inflicts ParalysisCan't attack Duration: 1 turn . Disaster N TR Multi-hit Earth damage to random allies. Inflicts ConfusedAllies can be targeted (Substitute and Counter are ineffective) on one ally. The Tower self-inflicts CollapsedHP is lowered on every turn Strength: 999,999 damageDuration: 2-8 turns for 2-8Highest reported duration is 8 turns turns. Goddess Link OD The Tower gains DEF UpDEF is boosted .		High DEF Immune to ComatoseCan't attack and takes big DMG (Chance to end upon taking DMG) Takes 50% more damage Local status effect and GravitySpecial attack max charge turn is extended . Doesn't attack. Every 2 turns Casts Callous Fist. Does not reset charge diamonds. After casting Goddess Link Casts Disaster next turn.
N - Normal, OD - Overdrive, TR - Trigger

Rewards
First clear:

Wooden	Silver	Gold
-	Sephira Stone Earthborne Astra	Tower Idean

Strategy

Callous Fist damage is negated by Mirror ImageNext one-to-one attack received will be ineffective
(Effect removed on next all-foe all-ally attack)
therefore 4★ Tiamat Omega and Tiamat's  Wind CloakAll allies gain Veil (1 time)Debuffs will be nullified (1 time)
"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune." and Mirror Image (1 time)Next one-to-one attack received will be ineffective
(Effect removed on next all-foe all-ally attack)
Duration: Indefinite. significantly reduce the difficulty of the battle