Shadow Sanctum

Spawner · Trains 1× Shadow Mage / wave

Trains Shadow Mage — every basic attack lands a Shadow Bolt (+4 armor-bypass damage; killing blows raise the corpse as a skeletal mage, free, every shot). Channels Drain Life on a single target: periodic magic damage over 3 seconds and heals Shadow Mage for the same amount. Wins extended engagements outright.

He chooses what the enemy sees. They never see all of it.