Solar Flare

The Solar Flare is a post-Moon Lord yoyo dropped by Providence, the Profaned Goddess. Every impact with an enemy will produce a large explosion of embers that deal 75% of the weapon's damage and inflict the Holy Flames debuff. Unlike other yoyos, the Solar Flare ignores NPC immunity frames, allowing it to rapidly bounce off of enemies and inflict much more damage than its damage stat would indicate.

Trivia

 * Solar flares are sudden flashes of brightness on the sun.