Version:4
There was an impenetrable rock tile instead of obsidian, replaced it, now the complete destruction of obsidian and access to everything should work.
Strengthened Underlord 1 additionally.
Gargoyles, by the way, can show the wrong direction, but when attacking, the AI turns them where needed. But in general, the AI here does not attack, unfortunately, enemy dungeon cores.

Version:3
Shrines in the green area (No. 1), except for portals, belong to him immediately. Added 20 gold per second. Increased the area of ​​obsidian so that when it explodes, everyone has access to everyone.

Version:2

Version:1