General Ironheart

"Surrender, peasants. You're surrounded, come forward, you both are detained in the name of General Ironheart, me."

- General Ironheart capturing Millie and Loona.

General Ironheart is the main antagonist of Helluva Boss: Rise of the Brotherhood. He is an general and warlord of Sloth Ring, who led his own army to take over Pentagram City, in order to mass market his inventions and roboticize all imps, then enslave them. He is also responsible for the capture of Millie and Loona.

Rise of the Brotherhood
General Ironheart was the general of Iron Legion at the Sloth Ring, who started his campaign to annex the Imp City, and to enslave all of imps. He announced to his men that they are authorized to use the new weapons to smother the rebellion,

When Millie and Loona came across the base of the legion, they snuck in and eavesdrop the conversation of two soldiers. However, they get caught and forced to kill the soldiers, until they're surrounded. General Ironheart have them detained, and brought them to his office, Ironheart asked if they're aware about his plan, they both noded. Loona claims that Blitzo and Millie will save them and stop him, in which, Ironheart replied that he will kill Blitzo and Moxxie if they try to tip them off. Ironheart then started the expedition to Pentagram to capture all of the imps.

During his expedition to Pentagram City, he found Robert and attempted to take him, however he pleads not to turn him into a slave, and he would be useful to him. Ironheart reconsiders and decided not to kill him, then informed him about Blitzo, which makes Ironheart to remember him. The general said it is perfect since he knows about him, then he offers to pay Robert if he bring them to him, in which he agrees.

After bringing them to an outpost, Ironheart called Robert about the status, and he said that he trapped the duo in the outpost. As such, Ironheart sent his men to kill Blitzo and Moxxie, with Robert returning to the base. Next day, after the duo killed Robert for his treachery, Ironheart sent the soldiers to kill them, which both of them are forced to retreat.

Ironheart realizes this has gone for far too long, decided to have the prisoners roboticized. Meanwhile, Blitzo and Moxxie formed an group of imp rebels named "The Brotherhood", and initated the rescue plan. Next day, as Ironheart oversees the roboticization of the prisoners, Blitzo and the group assaults the base and killed many soldiers, Ironheart told his men to stop the procedure and kill the rebels, while he hides in his office. As the group rescued Millie, Loona and other prisoners, Ironheart sent his remaining men, ordering them to kill the prisoners at all costs. Ironheart then got on his helicopter, and flies to the air, start shooting at the rebels. However, Blitzo commandeered an tank and used the cannon to blow up Ironheart's helicopter, killing him for good.

The remains of his army were mostly killed, the Iron Legion was assumed disbanded after the film.

Personality
General Ironheart is the brutal commander of Iron Legion, who desired to have absolute authority and power. He would kill anyone who opposes him.

While calm and rational, Ironheart can be cold and ruthless when needed. Being an military strategist, Ironheart is extremely intelligent, having many resources for his plans. Although never lash out at his men, Ironheart did not show any care for them, and saying that they're easy to replace.

Quotes
"Rest assured, all of imps will be my slaves after this fateful day. I'll turn them into my robotic servants and they'll obey my every command. Whoever this Blitzo is, I'll personally kill him, if you two told him about where you are."

- Ironheart threatening Millie and Loona.

"Attention all units, there are intruders at the base. Kill all of them, take no prisoners."

- Ironheart on the speakers of his base.

"I'll get them myself if I must."

- Ironheart as he boards his helicopter.

"There is no escape for you."

- Ironheart's last words before getting killed.