the thing which killed superman
power and abillities
genius level intellect
Lex Luthor's AI is in doomslayer
superhuman strenth, speed,
He can easily lift 600tons with one hand and he is a teleporter
Doomsday was created and evolved through cloning an infant and having it killed over and over again by one of the most dangerous species of the universe and in one of the harshest habitats in existence, prehistoric Krypton.
As such, he returns to life every time he dies and becomes near invulnurable to what killed him before.
His entire body is built as a defensive structure which continues to arm itself the more it is damaged.
energy absorbing and energy beams
Doomslayer killed superman by giving him too much energy in his body.
and he can mimic other's suer powers
Adaptation is the power to gain immumity to something after first exposure, so the same trick never works twice.
or the "Deathtouch", is the ability to instantly kill a living being from the touch of the user's skin.
he can absorb other's energy making him stronger and the opponent weaker
qwardian power ring