The Half-formed Golem is a pet that is available in Diablo III for players who purchase the Rise of the Necromancer pack. Visually, it resembles the Flesh Golem.
This little one wasn't quite finished when it came into the world, but it'll follow you anyway.
- ↑ 2017, Unearth New Rewards With the Rise of the Necromancer Pack!. Battle.net, accessed on 2017-06-06