Use siege creeps to get away from rough situations, as they are magic immune.
Think about which enemy heroes and spells are the best targets for Facehug.
Parasite is really strong one-vs-one, but group fights can sometimes overwhelm him. Pick your fights carefully.
Make sure you get the credit for kills on creeps with Infest! If an enemy hero is about to last hit the creep you’re controlling, kill it yourself to score the gold and experience.
