Atrophy Aura reduces enemy base damage nearby, so stand near the enemy carry to make them hit like a wet noodle.

Firestorm deals percentage based burn, so it stays relevant late game against high HP cores.

Pit of Malice roots enemies in an area, so drop it at chokepoints to lock down the enemy team.

Dark Rift teleports your team to any structure, so use it for ganks, saves, or instant base defense.

Firestorm clears waves fast, so use it to shove lanes and control the map.

Underlord is tanky with a modest mana pool, so build mana sustain to keep casting.