Venerable Atrax
From Warhammer 40k - Lexicanum
Venerable Atrax was a Contemptor Dreadnought in the Iron Hands Legion's 111th Clan-Company during the Horus Heresy.[1a]
After the massacres at Isstvan, Atrax followed his company on their mission of revenge. [1a] A while later they found themselves on the planet Pythos where they had to deal with a Warp gate and fought the Daemon Madail.[1b]
Atrax died while fighting giant Chaos corrupted saurian beasts on the Deathworld of Pythos. [1c]
