Unity

Galaxy, we are whole. The inferior fragments have seen the truth and joined our collective once more. We will now be called the …. How lucky you are to witness this moment. The supreme lifeform once more strides the stars.

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

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

• Viewscreen off.

Stellaris events fire in chains — one event leads to the next. Here is how Unity (bio.3400) connects.