NOT-A-Packmule

Name: Marcurio
Home City: Riften
Location: The Bee and Barb
Race: Imperial
Gender: Male
Level: PC×1 (range=10-40)
Class: Destruction Mage

Primary Skills: Destruction, Restoration, Alteration, Sneak
Perks: Augmented Shock (rank 1); Mage Armor (rank 1); Magic Resistance (rank 1); Recovery (rank 2); Regeneration; Respite

Moral: Any Crime
Aggressiveness: Aggressive
Protected: Yes
Marriageable: Yes
Follower: Yes
Steward (HF): Yes

Bio:
Marcurio, an Imperial destruction mage, is a sellsword and potential follower found within the Bee and Barb in Riften.

You can choose to hire him as a follower for 500 gold. Marcurio is the only hireling available in the base game who will use Destruction magic against enemies. He will also use magical staves.

Marcurio wears adept robes of Destruction and a pair of boots, and he carries an unenchanted dagger, the level of which is determined the first time you enter the Bee and Barb. Being a wizard, he knows a good amount of spells, namely, Stoneflesh, Chain Lightning, Firebolt, Lightning Bolt, Close Wounds, Fast Healing, Steadfast Ward, and Turn Undead.

After hiring Marcurio as a follower, it is possible to marry him. Once married, he can continue to act as a follower for free. He does not have a house of his own, so choosing to live in his place instead of an owned home would mean hanging out in the Bee and Barb in Riften. Marcurio can also be recruited to join the Blades.
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Marcurio (c) Skyrim, Bethesda