Blizzard has deployed a hotfix for Diablo 4 which addresses the Midwinter Ward buff duration and Blood Seekers not spawning if a party member left the dungeon.
Midwinter Blight Event Guide Abattoir of Zir Guide
Blizzard
HOTFIX 3 – December 13, 2023 – 1.2.3a
Bug Fixes
Fixed an issue where the Midwinter Ward Buff was 6 minutes instead of 60 minutes.
