Bark of Dark Ruler

UR Rarity
Trap Trap
Normal Normal
If a Fiend-Type monster you control battles, during the Damage Step: Pay LP (in multiples of 100 points), then target the opponent's battling monster; that opponent's monster loses that much ATK and DEF, until the end of this turn.
How to Obtain
Bakura (DSOD) Event
Released on March 24th, 2022