Halloween 2017 Event Re-Run/Challenge Quest


 * Mass Production of Evil : Battle starts with Mastermind as Usual buffing himself with Increased Defense for 3 turns. Permanent Increased Attack buff for Mecha Elis.
 * Illegal Remodelling : Mastermind as Usual buffs himself with Increased Defense for 3 turns. Permanent Increased Critical Damage buff for Mecha Elis.
 * Devil's Development : Mastermind as Usual buffs himself with Increased Defense for 3 turns. Permanent Increased Critical Chance buff for Mecha Elis.
 * Battle ENDS when you defeat Mastermind as Usual.


 * It is advisable to bring full team of Servants with Single-Target NP, or make sure that the -class Mass Produced Mecha Eli-chan is removed in one turn, each time it appears.