Campaign GuidesLegacy of the Ancestors58. Arcology Threshold (LOA)58. Arcology Threshold (LOA)ENTERS PLAY:IF SPIRE FALLEN, GO TO 58.1IF YOU'RE ON THE DESCENT, GO TO 58.2OTHERWISE, GO TO 58.3CLEAR :IF YOU'RE ON THE DESCENT, GO TO 58.4OTHERWISE, GO TO 58.5