Cosmic Star Heroine

Cosmic Star Heroine

33 Achievements

15-19h

Steam
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Primer

Primer

Defeat the Prime Evil

8.4%

How to unlock the Primer achievement in Cosmic Star Heroine - Definitive Guide

MISSABLE

Optional Boss

After completing the asteroid mission, talk to Psybe on the spaceship to start his side quest. Now go to the Planet Rhomu and head for the lab. The Prime Evil is located behind the locked elevator door in the northwest part of the first area.

See video for more detail.

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This quest becomes available after the battle on the asteroid. While on the ship, talk to Psybe, then go to the planet Rhomu. In the northwestern part of the map, look for a laboratory that has long been familiar from the plot; it has an elevator that you have not opened until now. Near him, Psybe will say that he knows the code and you will go to the floor below, where the boss will be waiting.
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15 Sep 2018 03:05