Use the Heroic Undead Lair when it is currently featured and the event interface confirms a relevant reward opportunity.
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WHERE & HOW TO FARM
Where to farm
Heroic Undead Lair when the current event or rotation interface lists it as active.
Heroic Undead Lair is a rotation-dependent target. Season 31 includes dungeon events and Loot Brooms, which can appear in varied rooms or after a boss in a dungeon with an active event. The named dungeon or its event reward is not guaranteed to be available on any particular week. Confirm the live UI before spending a key or entering. This guide does not claim a fixed October rotation.
Confirm the dungeon and event status in the current game interface.
Have access to the dungeon through a valid portal or key.
Bring a character suited to the dungeon’s current mechanics and your permanent-death risk tolerance.
Open the event or dungeon interface and verify Heroic Undead Lair is currently featured.
Read any active modifier and reward text, including whether Loot Brooms apply to this dungeon.
Enter only after confirming the route and reward are relevant to your goal.
Clear the dungeon’s rooms and objectives, following the encounter mechanics shown in game.
Defeat the boss and inspect the room or post-boss area for any Loot Broom that appears.
Claim the reward and check the actual contents rather than assuming a specific seasonal item.
Exit safely, then check the interface again before using another key.
Farming tips
Loot Brooms are tied to active event status; a normal Heroic Undead Lair run does not establish that one will spawn.
Use the live modifier description for the current run because rotations and event effects can change.
Repeat, collect and use
Repeat while the dungeon remains featured, your target is uncollected, and you have safe access. Rotation access and event-specific rewards are limited; the base dungeon is the repeatable activity.
Common mistakes
Assuming a previously active rotation still applies; verify status before entry.
Entering without checking the modifier; inspect its current effect and reward first.
Expecting a Loot Broom every run; claim one only if it actually appears.
When to stop or switch
Stop when the event target is obtained or the rotation changes. If the event is inactive, switch to a permanent dungeon whose reward you need.
