年轻的鹏洛客昆托力康德来到依夏兰并渴望进行他的首次实地调查工作。同时，华特莉得应付她身为帝国战士诗人的身份，并且这看似会导向另一场战争。

薇塔和昆特带领烈阳帝国探险队进入欧拉兹卡的地底洞窟。另一边，马科姆、布里奇与莽霸联盟也逐步接近真相，查出阳光湾发生了什麽事。

薇塔、昆特、华特莉，以及其馀的烈阳帝国探险队在地下深处遇见了凶猛的敌人与不可能的盟友。马科姆和布里奇为了荣光而攀爬。阿玛利亚、凯澜，以及图瑞琮的吸血鬼则遇见一位可怕的对手。

欧尔特克人得知地表的状况，以及他们与之隔绝的时空发生了什麽事。马科姆和布里奇找到了他们寻寻觅觅的东西。阿玛利亚、凯澜和暮影军团发现世界核心一点也不欢迎他们。

Huatli takes flight. Malcolm and Breeches make their escape. Vito reaches the apex of his quest. The Core is exposed to the dangers of the world around, above, and within. The great battle begins.

The Core must be defended at any cost; who pays, and how bitter the price, will define the shape of Ixalan to come.

Saheeli is stranded on Ixalan, far from home but close to her lover, Huatli. A new subject of the Sun Empire, Saheeli learns that this period of relative peace following the defeat of the Phyrexians might only be a lull between wars.