Summary: Beat Bartleby quest bugged you can't defeat him, he should surrender when he is low HP

Where: Stormwind - Old Town

Steps to reproduce:
1. Add quest (Beat Bartleby) ID - 1640
2. Talk with him and start fight
3. He does not surrender when low HP, it's unkillable and quest is not completable

Expected behavior: Should surrender when is at low HP and quest should be completable

Actual behavior: Does not surrender and quest is not completable

Character: Ravaer,warrior,level 80

Server time when it happened: Around 9:55

Reproducible: Always

Screenshot/video: can't post external links