Strongest Nasuverse Character KOS-MOS (Xenosaga) Can Defeat?

Hepatica (KOS-MOS), Xenosaga Wiki

KOS-MOS Returning to Battle: DLC Season 2., Page 84

Lostbelt No.6] The speculation of the new servant is to be designed by CHOCO, known as the character designer and illustrator of KOS-MOS from the Xenosaga series. : r/grandorder

Who is the most powerful being in Nasuverse? - Quora

Archer (Fate/Crossover - KOS-MOS), Fate/Crossover Wiki

KOS-MOS, Xenosaga Wiki

co/ - Death Battle - Comics & Cartoons - 4chan

Beasts) Nasuverse vs Shonen Alliance - Battles - Comic Vine

KOS-MOS, Xenosaga Wiki

What are the most powerful non-Servant characters in the Fate series? - Quora

KOS-MOS disables auto safeties for Death Battle by GodDragonKing on DeviantArt

KOS-MOS (Xenosaga) matchup Tier List : r/DeathBattleMatchups

Is full power Arcueid the strongest Nasuverse character? : r/typemoon

Summon-a-Servant Mk 5: Five Servants per Second (Fate/Stay Night crossovers)

Xenoblade Chronicles 3 Spoiler Thread (OPEN SPOILERS), Page 95