a hard hapalit to break main story quest not completing/continuing

Time: for about a week +
Frequency: all times
World name:Mateus
Character name: Mathaus Trepod
NPC name: stafborn/struggling adventurer
Monster name: Hapalit
Class/Level: Monk/50
Party or solo: solo
In-game time:
Area and coordinates: Mor Dhona 32 6
Steps: 1 received quest to help struggling adventurer from Stafborn
2 quest says to slay hapalit monster at designated location
3 slay hapalit monster at designated location
4 nothing happens/ no continuation

You need to go to the purple circle to make the hapalit you need to kill, spawn.