Epic Battle Fantasy 5: Final Boss Battle & Best Ending (Epic Difficulty)

The mastermind behind everything!
Phase 1: Cosmic Gigalith
-The Gigalith randomly changes weakness every few turns, and absorb all other elements
-When dealing damage to it, it will counter attack with an attack, syphon or enchanted ailment
-It has a variety of elemental attack at it's disposable, especially Fire, WInd, Thunder and Dark
-When it reach a certain amount on HP it'll will only use a barrage of laser that hit mulitple time and can inflict Scorch
-When the Gigalith dies it explode and deals massive damage
Phase 2: The Devourer
-The Devourer is weak againts Light and Dark
-The tentacles are weak to Light and Lightning
-Normal Tentacle: it will cast an ice spell that targer the whole party and inflict curse or it will do a single target non-elemental attack
-Sharp Tentacle: it will inflict non-elemental damage to either 1 player or the whole party
-Eyeball Tentacles: It will heal or buff the other tentacles and The Devourer, it call also to a non-elemental hit on 1 player that inflict Stuffed
-The tentacles will respawn after being killed
-Both Normal and Sharp tentacle will cut in half when taking a big hit, after that they'll attack the whole party and inflicting Virus
-When getting near the end of the fight you get inflicted with Delete, an incurable ailment that deals more and more damage as the fight goes on
-The Devourer: This guy has a lot of attack at it's disposal
-It can shoot a wave beam that inflict Confusion
-it can shoot a laser beam that hit the party multiple times
-It can slash the whole party with a Fire skill that hit 3 times and can inflict Scorch
-It can also heal all of it's limbs
-After a while it can use it's own Limit Break which deal an extreme amount of damage to the whole group and backup