Spirit of Dread restores Health when nearby enemies take damage, including damage dealt by allies. Cast this during a large fight to maximize Hecarim's survivability.
Devastating Charge deals more damage based on the distance traveled. Try using Onslaught of Shadows or Summoner Spells such as Ghost or Flash to maximize this damage.
Hecarim gains life from nearby enemies with Spirit of Dread but lacks durability, use burst damage.
Hecarim's ultimate causes opponents to flee in terror. Spread out to reduce his power in fights.