I already cleared Depth of the Forge but have never set foot in Boeotia, Ahh I remember the door now. Hephaistos Islands are distant from each other. 2. Big wooden door sitting in a man-made stone wall deep inside the volcano. CER is entirely led, organized, and operated by undergraduate students at Columbia across a multitude of academic disciplines. User Info: Talaeladar. Next Tombs Petrified Islands Prev Tombs Lakonia. The riddle for The Floor is Lava Ainigmata Ostraka points to the nearby island volcano and Sync Point called the Foundry of Hephaistos. Rumors are erupting that a precious relic was sent to be destroyed at the Foundry of Hephaistos.