Alceus Frigus [B-Tier NPC]

Art:

Name: Alceus Frigus
Tier: B
Damage Required to Defeat: B
Description: Born in the very north of Reim in the region of Deumania, near the lands of Imuchakk, Alceus was a quarter Imuchakk Human man. He was a white haired man of a tall 6'4 stature and a quite muscular physique before turning into a Tundra Minotaur. Alceus is a very stubborn but responsible man, who is reliable to those he serves. Alceus is in his early 20s, and with no prospects other than furthering his body manipulation techniques and serving Angelus. Angelus met him in the Coliseum and let him live. Alceus being inspired by Angelus, joins the legion that Angelus is in and joins his squad.
Weapons: N/A
Traits:

Tundra Minotaur:

Abilities:

• Glacies Pugnus Alceus covers his fist in dry ice, and strikes at a target with his fist to deal B-Tier cold damage.
  
  
• Congelatio: Stomping with his right leg, Alceus freezes the ground beneath him. In a 10m diameter the ice spreads out to deal B-Tier damage to everything standing on it.
  
  
• Gracialis: Alceus freezes whatever makes contact with him. It is frozen over with B-Tier dry ice and requires B-Tier strength to escape. It disperses after 3 posts.
  

Inform me how to attain this NPC in plot.