— the curious little explorer of the universe —

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4STR0N4UT, long ago known as Ophiuchus, was part of the events that occurred on planet Rathalos in the Kepler Galaxy. The ex-warrior specialised in gun combat, but was trained in some martial arts as well. Similar to everyone else on Rathalos, the war took its toll, but 4STR0N4UT found a slight shimmer of hope in the friendships she'd made with three others, Nestor, Faldorn and Laszlo. As soon as the war ended, 4STR0N4UT hopped in her spaceship and bid farewell to everyone including her friends, to explore and venture among the stars.. Never to be seen or heard of from again. Some say she'd literally vanished.

Exploring the vast amount of space out there, served as some kind of therapy for 4STR0N4UT. The long amounts of time spent alone made the space explorer reflect a lot on her memories, and eventually she learned to accept it and move on. Many times has 4STR0N4UT spent hours dancing and singing in their spaceship to some tunes, before stumbling upon a new galaxy with planets to explore, observe and learn from. Throughout the years 4STR0N4UT has spent exploring, she's built a vast collection of notes about various galaxies, its planets and its inhabitants. The explorer thirsts for exploration and knowledge, and 4STR0N4UT has found its one of the things she enjoys doing most. However, doing this all on her own has come with its prize. 4STR0N4UT has had her moments of missing her old friends and not being able to speak to anyone, to the point 4STR0N4UT simply installed features in her helmet to speak whenever she couldn't find the words herself (which was pretty often), such as a robotic voice and a visor display to show words and symbols. Sometimes she converses with the robotic voice itself to not go haywire.

At some point during her exploration days, 4STR0N4UT has tried to find her old friends. With a lot of emphasis on tried. 4STR0N4UT went from galaxy to galaxy, but her friends were nowhere to be found. The space explorer didn't even know anymore where her original home planet was at that point, let alone what her original name was. The explorer attempted to look for her old friends for several years, at times driving herself crazy with the amount of loneliness she had to put up with. 4STR0N4UT has long by now given up that slight hope of finding her old friends ever again, and has since then simply turned back to exploring the void of the universe. After all, it's the best thing she enjoys, and it's the only thing remotely keeping the explorer from being driven into madness.

— END OF DAWN ARC —

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During the events of the End Of Dawn, 4STR0N4UT soon finds herself flying through unfamiliar territory. She was quite sure she was flying towards the IM-0402 Galaxy just a second ago.. She decides to investigate and land onto a planet that seems bigger than your average gas giant, initially thinking she's completely alone. It takes a few days for her to finally stumble into a stranger she nearly shot on sight, Raptor.

Having history with the knight, 4STR0N4UT doesn't trust him until he tiredly exclaims he's had space warriors try to kill him before. Piqued by this, she decides to follow wherever the knight brings him.. Albeit still with her hand on her gun. When the two get back to Raptor's base, 4STR0N4UT lays eyes on a particular trio, and immediately runs into them to hug them to death almost. Out of all possibilities, 4STR0N4UT never could've predicted that her old enemy would bring her back to her long lost friends. Now reunited, all happily crying tears, 4STR0N4UT quickly catches up with them, bonding like they've never missed a day in each other's lives.

Whilst wary of Raptor and his knightly allies, it seems they are to be trusted thus 4STR0N4UT's friends. She decides to tag along, and as time passes on she finds it more and more well with these knights. The warrior's got no problem fighting with them side-by-side once demons and void creatures start flooding this strange planet, nor does she not hesitate to follow her friends towards planet Apollo to help them out.

After the End Of Dawn has been prevented, 4STR0N4UT decides to settle and stay reunited with her friends on planet Apollo. They form a squad with the most cheesy name, that everybody hates yet still uses, Quantum Quartet. Working as mercenaries, the four friends occasionally team up with the Wynthrox Squad to rid of the worst of evils, putting their past behind them. From time to time, 4STR0N4UT still goes into space to explore, at times having Nestor, Faldorn and Laszlo tag along. Life goes well, and 4STR0N4UT can finally say for once she's sane and happy.

At some point in the future, 4STR0N4UT longs for an actual home. She decides to find the galaxy the majority of her robotic faction has moved to, the IC-4591 Iagoon Fisaris Galaxy. Nestor, Faldorn and Laszlo happily agree to come with her, and after farewells to their allies, the four warriors go their own way. After a trip of a few months, they safely make it to their destination and adjust fine to their new home. Still working as mercenaries together, each picks up their own life also. 4STR0N4UT decides to keep exploring and become part of the space exploration team, going on trips at least once a month but always returning home.