It is a light brown spider with black markings similar to the Noble false widow.
The Ragno Ciel Sereno is unique in that it can be launched at a target while still in its egg state. When activated with Sun Flames, they hatch to become spiders. While in egg state, it invades enemies through open wounds without being noticed and then burst out of their shells when commanded to.
The threads drawn by the adult Sun Spiders can be used to sense enemy movements and, as seen in the fight between Ginger and Lal Mirch. Its high-speed reconstruction properties can be used to separate a group of enemies.