|This article is about the inner council of Iron Warriors known as Triarchs; for the ruling council of the Necrontyr, see Triarch.|
The Trident was a formation within the Iron Warriors Legion during the Horus Heresy. It consisted of three Triarchs, senior Legionaries (usually Warsmiths) who served as Perturabo's advisers in military matters and as part of his retinue. Triarchs served until they died or lost Perturabo's confidence.
Known Triarchs included:
- Kydomor Forrix, First Captain of the Iron Warriors
- Erasmus Golg, Warsmith of the 11th Grand Company
- Harkor, Warsmith of the 23rd Grand Company
- Barban Falk, Warsmith of the 126th Grand Company
- Kroeger, Warsmith of the 23rd Grand Company