Plenty of league starters hit the same wall: maps get denser, rares take too long to drop, and every attempt to stand still ends with a trip back to town. ED Contagion Lich sidesteps that mess in Return of the Ancients 0.5.4d. You tag one enemy, let the pack do the work, and keep moving. When upgrades stall, checking Path of Exile 2 Currency prices can help you judge whether a small weapon upgrade beats another hour of forcing bad drops.

Start With the Right Pieces

This setup works from the campaign into high-tier maps because its important tools arrive in a sensible order. Essence Drain handles the marked target. Contagion turns that death into a chain reaction. Minions aren't there to replace your damage - they're there to occupy enemies while you reposition. Build around chaos damage, life, Energy Shield, curse effect, and curse duration.

Use Essence Drain on the enemy most likely to survive the first few seconds.
Cast Contagion where that target and nearby monsters overlap.
Take Lich passives that support life and Energy Shield before chasing damage-only picks.
Add curse duration and minion synergy once your core defenses are in place.

The Spread Dies Without Setup

On paper, the idea is simple. Essence Drain kills something, Contagion carries the effect through the group, and the Lich stays protected behind curses and minions. Most failed attempts come from reversing the two-cast sequence or firing both skills at the first weak monster on screen. That target dies off to the side, the spread catches only three stragglers, and suddenly you're casting into every pack like a normal projectile build.

Pick the center of the pack, not its nearest edge. Put Essence Drain on a rare, a blue monster, or any target sitting among the largest cluster, then place Contagion over that same space. Let minions hold the doorway while you move around the outside. Against isolated bosses, stop waiting for a spread that won't happen - keep Essence Drain active, refresh your curse when it falls off, and treat the minions as breathing room.

Gear Has Two Different Jobs

Early gear should stop random deaths. Get life, resistances, and Energy Shield first, then chase added chaos-skill levels. Later, chaos damage multipliers matter far more once your defenses no longer buckle in crowded maps. Verisium runecrafting is the practical place to push those higher chaos modifiers without throwing away a usable item. Expedition also feels steadier after the 0.5.4d hotfix, so it fits this character well when you want currency while running content that rewards controlled clears instead of reckless face-tanking.

Three Checks Before Mapping

Do you need expensive minion gear? No - the minions support the ED Contagion plan; they aren't the whole plan. First confirm your resistances, then get chaos-skill levels, then add multiplier rolls. If a key slot is still empty, browsing poe 2 buy currency options can be quicker than forcing a half-finished craft. Keep the cast order clean, keep moving, and let the first marked kill start the work.