Xaerous is the home fortress of the Bacterians in Gradius. Its also home of the first Bacterian leader that has been controlling all these evil amoeboid lifeforms. After the events of Gradius, A different version of Xaerous appeared in Gradius II and Gradius IV.
There are similar battleships(or planets) that are also home of a leader of the Bacterians.
Appears In
- Gradius II
- Gradius III (As a part of Bacterian, assuming that Brain is Bacterion and that Bacterion rengenerated around the fortress.)
- Gradius Gaiden(some of the remains appear in stage 2)
- Salamander 2( some of the remains appear in stage 5)
- Gradius V(may or may not be Xaerous)