This is episode 44 of 57 of Apocalypse: Frozen God's Domain. Play it below, then continue straight into the next episode — the whole season is free and needs no account.
The closing stretch of the season, where the arc pays off.
Ice Age apocalypse: -70°C. Betrayed, Xiao Han reborn with system, builds aerospace safe house. He brutally retaliates against all foes—neighbors, corporations—using high-tech defenses, mechs, hacking. Crushes them, storms HQ, establishes absolute order.