Ona was the most insane Biomecha, and always used drew the Talisman and the only thing he could say was "Go back... to the source!". After Paise arrived at the sanctuary, he found meaning in Ona's words, but did not have the ability to do so at the moment. Ona followed the group throughout their journey, and was the second to last Biomecha to be killed by the Talisman, and Likuta dropped his corpse off of the bridge they were on. Ona, like the other Biomecha killed by the Talisman, had his soul freed by Paise using the Talisman, flew to Heaven, and transformed into a rain of protodermis.
- He is portrayed by Marshall Allman in the film, and uses archive audio due to only having four lines, all of which are exactly the same.