Read this Super cool Version of Gluttony that Subaru has after killing Lay

Gluttony, representing Biliousness. it works kinda simila to cor leonis in cannon, He licks his aponent to form a bond and then Consums their suffering taking on their pain and injuries creating a stalemate in the battle. The pay off for taking their physical pain is giving them his Emotional anguish. The Subaru in this story is the Greed glutony and is aroun 600,000 years old so you can imagine the amount of mental pain he has. It was enough to make Elsa sucidal instantly, worse than she already is.

https://archiveofourown.org/works/30198198/chapters/74407248