The Joint Challenge boss Shichifuja fully recovers WG if leftmost unit isn't a
Mage. Takes WG damage only from Burst, Dual Attacks, and Skill Chains - otherwise gains +20% and reduces WG damage by 50%. Weak to via chain attacks.
Difficulty

Shichifuja
Immunities
Lv. 120 — Joint Challenge · Defeat Shichifuja Very Hard
Skills
Creeping Toxin
All EnemiesAttacks all enemies, and inflicts Poisoned for 3 turn(s).
When the leftmost target is a non-
Mage, fully recovers Weakness Gauge of the caster.
Ignores the target's Resilience and Immunity.
Higashiyama's Master
CD 2All EnemiesAttacks all enemies. When the target is inflicted with Poisoned, reduces Defense and Speed for 5 turn(s). Ignores the target's Resilience and Immunity.
Miasmic Restriction
CD 5All EnemiesAttacks all enemies. When the target is inflicted with Poisoned, increases damage dealt. Increases damage of this skill with every use.
The Great Yokai's Servant
(Passive Effect)
Reduces all enemies' Attack by 90%, but greatly increases DMG taken from
Mage enemies.
When an enemy uses a skill that is not a Burst Skill, Dual Attack, or Skill Chain, increases the caster's Priority by 20% and reduces WG DMG taken by 50%.
At the start of the turn, recovers the caster's WG by 10%.
Damage taken from Fixed DMG and Cursed, excluding Skill Chains, cannot exceed 1000.
Enraged
Single AllyBecomes Enraged every 4 turns. Enraged: Grants an irremovable effect to the caster that increases Attack and reduces damage taken for 3 turns. Recovers Weakness Gauge by 30%. Enraged lasts for 3 turns. Enraged Ultimate: Used when Enraged ends. Attacks all enemies, and has a 100% chance to inflict an irremovable Poisoned on the target for 5 turn(s). This attack ignores the target's Resilience and Immunity.
Tips and teams below are written for Very Hard.
Tactical Tips
- Reduces enemies' ATK by 90% but increases damage taken from
Mage. - Non-Burst/Dual/Chain skills give boss +20% and reduce WG damage by 50%.
Recommended Characters
Essential pick for score bonus.
Demiurge Stella, Ryu Lion, Iota, Laplace
as chain attack finisher bonus.
Midnight Rush Skadi, Heatwave Cop Delta
as chain companion bonus.
Demiurge Drakhan, Kuro, Mystic Sage Ame
source and
Light element.
source and
Light element.
and (at 5★).
Suggested Teams
Mage on the leftmost position to prevent boss from fully recovering WG. Use 
























