Labyrinth of Death

Beneath the ruins of the largest city, an amazing discovery was made! An artificial underground complex of immense proportions was detected by surface-penetrating sensors. The entrance, highly elaborate in design and possibly ceremonial in nature, was easily located, but further exploration was quickly halted. The two large moons of … exert exceptionally powerful tidal forces, so strong in fact that they affect the motion of magma currents in the planet's core. The underground complex seems to be built with this in mind, with the corridors and chambers periodically flooded with running lava. Luckily enough the ebb and flow can be predicted, but it is as yet a mystery why a relatively advanced civilization would construct a subterranean deathtrap like this.

The command below will trigger the "Labyrinth of Death" event in Stellaris:

When this event fires, you can choose between the following option:

• Keep digging!