Yggdrashiad Central Station

Yggdrashiad Central Station (ユグドラシアド中央駅, Yugudorashiado Chūō-eki) is an aerial train station located at the center of HL, directly above The Eternal Nothingness.

Plot
Abrams takes Leo there in order to make him take a look at it with his All-Seeing Eyes, to confirm the presence and number of the Elder 13.