19 sept. 2022 · Roblox Test your luck for a chance to get a Mermaid Halo! Image via Roblox Royale High Roblox is known to host amusing events where players have the chance to earn limited prizes, and this summer was no different. The voguish Roblox role-play experience Royale High released its Summer Halo for 2022 earlier in the year; the Mermaid Halo.