Headhunter won't fix a Path of Exile 2 build that struggles to defeat its first Rare enemy. Before allocating Path of Exile 2 Currency (https://www.u4gm.com/path-of-exile-2/currency) toward the belt, check whether your character already clears reliably without temporary effects. Its value comes from carrying a successful fight into the next pack, not from replacing the damage and defenses needed to start that sequence.
Earn the first effect without relying on it
Headhunter grants a Rare monster's modifiers for 60 seconds after you kill it. That creates a clear requirement: your character must secure the kill before receiving the benefit. If Rare encounters already force repeated retreats or exhaust your resources, equipping the belt doesn't remove that opening obstacle.
The acquired modifiers also won't contribute equally to every setup. An effect that helps one character may offer little to another, so don't judge the slot by the strongest moment of a run. Pay attention to how your skills perform before activation and after the temporary effects expire. Those fights expose weaknesses that a strong stretch can hide.
Choose routes that keep the timer useful
A route with regularly encountered Rare enemies gives the belt more opportunities to contribute. Nearby packs and a clear path forward let you spend the effect's duration fighting rather than searching. Long empty sections and repeated backtracking reduce its practical value, even if the modifiers themselves feel powerful when active.
After defeating a Rare, move toward nearby enemies instead of taking an unnecessary detour. That doesn't mean rushing blindly into the next encounter. Keep watching your Life and dangerous ground effects, and preserve room to reposition. A shorter clear time isn't an improvement if maintaining momentum repeatedly gets your character killed.
Audit the belt slot before spending
Headhunter requires Level 50 and provides 20-30% increased Stun Threshold, 40-60 additional maximum Life, 20-40 Strength, and 20-40 Dexterity. The attributes can help satisfy equipment or skill requirements, but these baseline stats aren't the main reason to choose it. The decision still rests on how much useful combat time its modifier effect delivers.
Compare those stats with the belt you're removing. Losing important resistances, a larger Life contribution, or resource support can make the entire setup less dependable. Check those needs immediately after the swap, before entering harder content. If replacing the missing support requires other upgrades, include that expense in the decision rather than treating Headhunter as an isolated purchase.
Compare complete runs instead of peak moments
Use several runs with the same character setup and route to evaluate the change. Note approximate completion times, deaths, and how often the modifier effect is active. Consistent conditions make the comparison more useful than contrasting one unusually smooth run with an unrelated difficult area.
Watch encounters that begin with no effects remaining. If those fights stay manageable and the belt helps you move efficiently through the rest of the route, it fits the job. If you repeatedly stall between activations, revisit your underlying damage, defenses, or route choice before investing further. The practical target is repeatable progress, not the most dramatic temporary boost.
Keep your previous belt available while deciding where Headhunter belongs in your setup. If you're considering poe2 buy currency (https://www.u4gm.com/path-of-exile-2/currency) options to fund the change, first establish what the replacement actually costs your build. Equip Headhunter for routes where Rare kills connect naturally, and switch back when sparse targets or missing defensive stats make the trade unfavorable.