Jester's Gift Box
Opening it grants a chance to obtain Jester's Cap - Peach Pink, Advanced Jester Hat - Peach Pink, Colorful Jester Hat Jelly Green, Advanced Vibrant Jester Hat - Jelly Green, Jubilant Jester Hat - Playful Green, Advanced Jester's Cap of Merriment - Crimson Frolic, or a precious Gem.
Right-click to open.

※Related Event: Skyhaven Anniversary Celebration