Try a hero name, an item, a problem like “healing”, or two heroes with “vs”.

Duration Extender

Spirit T2 1,600 souls passive Strong evidence

When to buy Duration Extender Duration Extender 1,600 souls Tier 2TechPassive +22% Ability Duration

Buy on heroes whose value is in one long-duration zone, buff or CC.

When to skip Duration Extender

No value on instant-hit abilities.