Keeper of the Light + Terrorblade

Why this works

Thinking about an endless supply of mana for illusions makes this pairing seem strong, but the reality is more complicated. While Keeper of the Light can supply Terrorblade with mana via Chakra Magic, Terrorblade is often more limited by the cooldown of Conjure Image than his mana pool, especially once he gets a few items. The rest of Keeper of the Light's kit doesn't offer much direct help. Illuminate pushes out the lane that Terrorblade wants to keep safe and farm, and Blinding Light can knock enemies away when he’s trying to commit to a kill during Metamorphosis. The abilities simply don't fit together as well as they might appear.

Across the game, this creates a slight mismatch in game plan. Early on, Keeper of the Light lacks the lockdown or strong trading to secure a difficult lane for a fragile carry like Terrorblade. Later, KOTL wants to group with his team and siege towers, while Terrorblade is usually focused on split-pushing and farming until his next Metamorphosis is ready. This can leave the team feeling disjointed, with each hero wanting to play the map in a different way. They can certainly win together, but they don't actively enable each other's core strategies.