Patch 0.5.2 reduces the durability of POE2 Currency unique monsters inside Delirium fog by roughly half, while also lowering enemy damage scaling across the board.

The result is a smoother, more controlled experience that still retains Delirium's identity as a high-risk, high-reward mechanic-but without the overwhelming spikes that previously punished average builds.

If you avoided Delirium before, this is your signal to reconsider it.

Wisps Become Smarter, Faster, and Less Frustrating

Wisp mechanics also receive meaningful quality-of-life improvements that directly address long-standing complaints.

Previously, wisps would often drift across entire maps, forcing players into awkward chase sequences. Now, they prioritize the nearest valid target, making encounters far more intuitive.

A new passive notable, On the Wind, further refines this system by buy POE 2 Exalted Orbs letting players customize behavior:

Boost wisp movement speed by 50% for faster engagements
Prevent wisps from disappearing when players move away

These changes give players real control over encounter pacing, which dramatically improves consistency across builds.