Unable to finish Quest "scary butcher nights"

[Rhasimir-1573]

I think this is the quest which awards you 200 gold for playing one game in arena? If so, your issue is listed in the top sticky post, and a fix is expected tomorrow or Tuesday:

Update on 15.6 Issues

Hey Folks, In the latest 15.6 patch, Battlegrounds was launched into Early Access. Unfortunately, some bugs also made it into the live game, and the team has been hard at work making sure these get fixed as quickly as possible. Here’s a status update on things: On Monday (or potentially Tuesday), we’re aiming to ship a 15.6.2 patch that will include the following: Squelch working as intended + no longer causing crashes under certain circumstances Daily Quests can now be rerolled Hallow’s End…