bug +30 esprit

Bug reference: 4.161.039.983

Bog Witch (Sorcière de la Tourbière) killed in the Marsh of the Azaks.
No quest and no item granted.
Spirit stuck at 30 instead of 60.
Boss re-killed multiple times without reward.
Character already in Act 4.

Bog Witch only gives Spirit in Act 3.
The last quest spirit reward is from Lythara in the Interlude 3 (after Act 4): Spirit: Quest rewards