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

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

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

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

Beasts) Nasuverse vs Shonen Alliance - Battles - Comic Vine

Aleph vs Kos-mos (SMT vs Xenosaga)

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

KOS-MOS (Xenosaga) vs. The Camelot Singularity

Mega Man X VS KOS-MOS (Mega Man/X DiVE VS Xenosaga/Xenoblade) : r/DeathBattleMatchups

Imminent Defeat, Xenosaga Wiki