Sroller

The Sroller is an enemy summoned by the Solar Pillar during the Lunar Events. It can curl into a ball and rolls at the player, potentially dealing a large amount of damage on contact.

Trivia

 * Its name is a portmanteau of the words "solar" and "roller."

Bugs
In spite of the supposed fix in the 1.3.0.3 update,the sroller still does more damage than intended.Rolling attacks dealing around 400 damage even with end game armour.