Hrungnir brags that his horse Gullfaxi (Golden Mane) is the fastest horse in all realms; Odin says Sleipnir is fastest and they challenge in a race.

Features to include when drawing:

• His head and heart are stone
• Shades of rock with moss green skin color
• Hair optional, hair is black
• Black eyes
• Facial hair optional
• About the same muscle tone as the Gods
• Generally scary looking
• Humanoid looking
• Helmet and armor in a warrior style
• Weapons can be axes, war hammers, swords, or the like. Style them differently than the Gods.

Don't depict him as "giant" literally, or gigantic, but roughly the same size as the Gods. Think larger than life, leader/king of a realm or kingdom. The mythological depiction is a metaphor for reputation, symbolism, and/or what he is known for.