Thunder Napin
level 97Thunder Napin is a level 97 MU Online Season 6 monster with 42,000 HP and 520–555 damage. Found in Swamp Of Calmness: 33 on the map, respawning every 8s.
HP
42,000
Defense
395
defense rate 235
Respawns in
8s
Damage
520–555
attack rate 750
Where it spawns
Updated 10/22/2026, 11:19 PM