His story is Unknown for him.He is created by [DATA ERASED].
•Omnipresence:He is omnipresence being.He can be everywhere and nowhere at same time and he can see past of AU's
•Reactive Evolution:He can adapt and quickly evolve and adapt to his opponents.With that he can grow his power,gaining abilities,becoming stronger in and out of fighting.
•İnvisibility:With that he can be invisible for any being,he can be invisible for even all-seeing entities's visions.
•Mental Power:This ability allows he can shape,manipulate,change minds.
•PROTECTİON:He is protected against anything,nothing can harm him.Attacks of Anti-code,reaping his soul,attacks which can destroy entire Outerverse,Void-type attacks,anti-virus attacks, and so on.Simply he is protected against ANYTHİNG.
•Total Damage İmmunity:Dual's HP will never drop below 20 pts,no matter what is done to it.
•Creator's soul:Dual has the immunity to be controlled, possessed, to reset, to continue, to overwrite, to manipulation of reality / space / time, to tiredness, to infections, and his soul cannot be corrupted. It also immunizes Dual against the loss of HP (but not against what causes it), which, also against death to loss of HP.
•EXP Grant:Dual can grant infinite amount of EXP to others.However he can't use it for himself.
•Speed:He can move in unimaginable speeds such as 76 duoecillion.But he can moves speed like infinite.
•Classic Asriel Abilities:He has Classic Asriel abilities but his abilities are more faster and powerful tham its counterparts.
His soul is Abyss-type soul and souls of origina Undertale.
Attack Points=İnfinite(can scale any stat he want)
Swords of Ultimate
That swords are created by unknown energy type,with that he can destroy one timeline to few multiverses.This swords can cut anything without any problem.
•He is not invincible.He can be killed but it is not easy.
•He loves cookies.
•He likes to talk with AU Chara's.
•Some of his abilities inspired by Prism's abilities.
•Dualyx doesn't like İnfinitey Code's servants.
•Dualyx is afraid of İnfinitey Code.