Flood

Pressing the button with four dots filled the chamber with a great swell of water. Fortunately, due to the aquatic nature of …, this was barely an inconvenience. They intend to press the other button once the water has been fully drained.

The command below will trigger the "Flood" event in Stellaris:

When this event fires, you can choose between these 2 options:

• Unfortunate.
• Fortunate.
  • Leads to event: Time Crystal

Stellaris events fire in chains — one event leads to the next. Here is how Flood (astral_rift.1560) connects.