Eternal is a mode on the Cosmic side accessed by pressing R.
Eternal has a unique set of double rotor wings, ground slashes, and particles rising from the ground. Eternal's double rotor is two small sets of purple and yellow wings following very similar paths, contrary to how most double rotor modes' rotors spin in different directions. Strangely, Eternal runs instead of flying.
Eternal has no moves, making it useless in combat.
- Eternal shares the same music with Nova, The Quick Brown Fox - Pipe Dream.
- Eternal's GUI, running and floating animations are abnormally faster than all other glitches.