Phantom Assassin + Venomancer

Why this works

Trying to burst a target with Phantom Assassin is about deleting them with a sudden, massive physical crit. Venomancer's contribution is the opposite: slow, grinding magical damage over time. The slows from his spells are decent for helping Phantom Assassin stick to a target, but their damage plans are at odds. PA wants a hero to go from full health to dead in an instant, while Veno is all about long, drawn-out fights where his poisons can tick down the entire enemy team. This creates a natural tension in how they want fights to play out.

In practice, this means Phantom Assassin can find her job a little awkward. After a big Poison Nova, the enemy team is weak, but nobody is dying. This can force PA into a clean-up role rather than letting her initiate on a priority target to start a fight. An enemy support who might have died to a single dagger crit can instead survive with a sliver of health, giving them time to get a save spell off. While Venomancer’s widespread damage is good, it doesn't provide the single-target lockdown or burst amplification that helps Phantom Assassin truly snowball.