Third Eye

The Third Eye is a bauble added by Botania. When worn in the Baubles Body slot, the Glowing status effect will be applied to monsters in a 25x25x25 area around the player, making them visible through walls. The effect is applied for the duration of 12 ticks to all nearby monsters each 10 ticks, using 2 Mana per application.

Trivia
This bauble, alongside with its icon and its tooltip, is a reference to Satori Komeiji, the stage 4 boss in Subterranean Animism, the 11th main game in the vertical shooter game series Touhou Project.