Ultramarines: A Warhammer 40,000 Movie

Captain of Ultramarines Ultima Squad, Severus leads with strict discipline and unwavering duty. He initiates the sacred ritual around the Relic Thunder Hammer, framing it as a rite of passage. His authority is tested when a hidden Daemon surfaces, culminating in his downfall as Proteus banishes the creature back to the Warp.

A capable Space Marine who initially questions Severus’s baton of command. He survives the ambush, assumes command after Severus’s presumed death, and fights to keep Chaos from infiltrating Macragge. He becomes a thoughtful, resolute leader who confronts corruption and guards the Liber Mithrus.

A Space Marine tasked to protect the Codex on Mithron, Nidon acts with urgency and unwavering loyalty. He endures the brutal ambush and remains determined to uncover survivors and the truth behind the invasion. He survives the siege and remains a key ally to Proteus.

Apothecary accompanying the mission, Pythol supports medical needs and the chapter’s morale. He sacrifices himself to save Proteus from possession, buying crucial time to confront the Daemon. His selflessness embodies the healing and protective role of Apothecaries.

Chaplain guarding the Liber Mithrus with unwavering faith, Carnak acts as a stern guardian against corruption. He and Nidon reveal the long guardianship of the book, but Carnak falls under suspicion of possession and is killed, highlighting Chaos’s reach.

Squad leader Crastor falls during the shrine ambush, his death signaling the brutal cost of the mission. His sacrifice underscores the harsh environment Marines operate within and the heavy price of failure.

Second-in-command under Proteus, Verenor embodies veteran reliability and steadies the squad through the campaign’s chaos. He supports Proteus’s leadership and helps navigate the post-trauma of the Mithron assault.

Ultramarines standard-bearer who returns bearing the legion’s standard. He confronts the daemon ally and sacrifices after ensuring the standard’s purity, dying with Decius as the fight concludes and the taint lingers.

Brother Boreas fights alongside the Ultima Squad and falls in the shrine combat, a casualty illustrating the mission’s brutal stakes and the high cost of their war.