For experienced players, Delirium and Legion mechanics offer high-risk, high-reward farming options to maximize Chaos Orb gains in Path of Exile.

Delirium mirrors spawn fog-covered zones within maps where enemies drop PoE Currency superior loot and currency. Progressing through fog tiers increases reward quality. Fast clear speed is essential to capitalize on Delirium rewards.

Maps like Strand or Dunes work well with Delirium due to their open and linear layouts, which help control fog movement and farming pace. Adding Ambush or Abyss Scarabs further increases monster density and loot potential.

Legion encounters spawn groups of frozen enemies that, when defeated, drop loot including Chaos Orbs, splinters, and unique items. Open map layouts improve your ability to clear Legion packs quickly.

Invest in Atlas passive skills that boost Delirium and Legion mechanics by increasing pack sizes or reward quality. These enhancements significantly improve Chaos returns over time.

Combine Delirium orbs and Legion Scarabs on the same map for maximum effect. Use Sextants and map device mods to stack mechanics carefully, greatly increasing your Chaos income per run.

Your build must be highly survivable to handle tougher enemies introduced by these mechanics. Mobility skills and defensive flasks are key to staying alive during intense encounters.

Sell Delirium and Legion splinters or associated unique items to PoE 1 Currency convert rewards into Chaos efficiently. These items are valuable trade commodities within the POE economy.

Mastering these advanced mechanics requires experience but provides some of the best Chaos farming returns in Path of Exile for dedicated players.