Skimbus

Skimbus are a unique monster found in arctic, alien, snow and tundra biomes. It can also be found in the asteroids above a planet's surface as well as in Cell Caves, underground layers 3c and 5c, and ice Ancient Vaults. They float and can pass through blocks. When aggroed, Skimbus will turn red, then charge at the player while flailing. This monster has a weakness (+50% damage taken) to Fire damage and a resistance (-50% damage taken) to Ice damage. Additionally, it cannot be inflicted with Frost. Its lightweight body flows in the direction of the wind.