| Category | Labyrinths |
| Continent | Straiden |
| Region | Salak |
| Built | 1 Kindle 1490 DE |
| Map | Rubeth |
In the Creation War (1486 DE - 8777 DE) a disembodied thinker named Eysveig built this subterranean lab . Eysveig physically spent time here when he wasn't helping out his boss, the Nine-Tongued Worm. Times when he was away, and an important experiment was going on, he would use several of his many brains, mentally linked with his lab coats, watching and advising through their eyes.
Eysveigs Infirmary was a nightmarish place where the friendly and enemy wounded were experimented on. For those with potential military intelligence, Eysveig's mindbenders and torturers pried them for secrets.
It is said that when Eysveig was killed, bits of him were scattered all over Šadullu. Collected by his minions, they were taken to Eysveigs Infirmary where they were used in the creation of the Grell race.