Invy of Envy

Invy of Envy (嫉妬のイビィ Shitto no ibyi) is a boss in Succubus Puttel associated with one of the seven deadly sins, specifically envy (invidia in Latin).

Strategy
Invy begins the battle by using Deadly Sin: Envy, which inflicts a debuff that lowers your ability to recover Vigor. For this reason, you should use Chest attacks to take her down as soon as possible.