Diavolo

Diavolo is the main antagonist AKA Villain of Jojo's Bizarre Adventure:

Golden Wind (Part 5) he's now become a boss in One Bizarre Year. He spawns at the Boss Island, with his stand King Crimson and he has 200k Health.

He's not guaranteed to spawn every 15 minutes, he only has a 1/2% procent chance to spawn every 15 minutes.

If you then kill him he has a chance to drop those items:

50% chance to drop 2x Golden banknote 3x Blessed Arrow

30 % chance to drop 1x Requiem Arrow 1x Ultimate Requiem Arrow

20% chance to drop 1x Wierd Requiem Arrow

every 60 seconds Diavolo also has a 1/8 chance to use Epitaph for

10 seconds