Gacha Club Ultimate Buff and unit list
This Gacha Club active skill is called ultimate buff. This ability buffs all of your parties stats, and it applies to all 6 party members. This skills is extremely useful for speeding up long boss fights. There's basically no limit to how high you can buff stats, and once crit rate and attack go high enough your Gacha Club units will be hitting for massive damage because of this active skill. More so than all other active skills, this one is extremely important to level up since the stacking effect is what makes this ability so powerful.
The level progression for ultimate buff in Gacha Club is as follows:
Level 1: +1% ATK, DEF, and Crit Rate of all party members and Crit DMG + x0.1
Level 2: +2% ATK, DEF, and Crit Rate of all party members and Crit DMG + x0.1
Level 3: +3% ATK, DEF, and Crit Rate of all party members and Crit DMG + x0.1
Level 4: +4% ATK, DEF, and Crit Rate of all party members and Crit DMG + x0.1
Level 5: +5% ATK, DEF, and Crit Rate of all party members and Crit DMG + x0.2