Izuku is very muscular standing a little shorter than shoji and his eyes are nothing short of magical

and he has this tatoo

Fire dragon god Inferno

abilities :

izuku has blue fire generation and manipulaton meaning he can create and control blue fire but when he goes full power his fire turns black destroying everything.

Demon and darkness dragon god Diablo

Izuku can control and manipulate as well as create demonic energy and with that he gains the power to control and create darkness and shadows.

Izuku can coat any body part even his entire body as well as a weapon in an unbreakable armor (armament haki)

Mineral dragon god helios

Izuku has complete control as well as the ability to create any and all minerals like gem stones to crystals and rocks as well.

Thunder and space dragon god Ghidora

Izuku not only can create and control lightning but he also gains the ability to control gravity ,create portals and even use something called a banishing shift destroying all things in it's path not even atoms remain.

earth dragon god Mamonos

izuku can control and create rocks ,vibrations,tremors basically all things rock

Sea Dragon god aquas

izuku is basically a god of water he can also become water

sky dragon god Thunder

izuku can create and control thunder storms and lightning as well as become lightning

Angel dragon Sora

izuku has the ability to control and manipulate light as well as holy energy not only that but he becomes light as well

The iron dragon god Metallica

izuku gains all authority over metal ,the abilty to turn his limbs into metal swords,shields hammrs and more even coat himself in an iron scaling .

izuku has the ability to manipulate and control both fana and fona as well as life energy and he gains complete authority over wildlife.

Fafnir

izuku has full dimensional shift

izuku can create other dimensions and even cut a rip in his own

izuku can use dimensional shift to enhance his physical power his demon heritage as well as god heritage and with the bonus fact that he will make master slave contracts will give him strength to fight a god.

izuku can uses anyone of these dragons powers in human form but he needs to use one of his weapons to do so since his human body cant take the power but when he unlocks the demon and god blood he'll be able to use them

izukus dragon weapon

sword incursio

second form

third form

fourth form

the white is black and the black is red except for the hemet part

final form dragon