the best he can do is wait for an opportunity to set foot on an island and go to the world of naruto, with the akuma no mi he can analyze and copy the physiques of ninjas with kekei genkai and thus copy them by becoming stronger, ice washes value until a sharingan and biakugan he can in theory copy in addition to the jutsus that exist for him to learn, with his current strength (yonko commander) few ninjas in the era that the ninja world is in can represent a threat to the protagonists. and I don't think it's interesting for him to join Whitebeard's crew, I personally wouldn't get along well with the dynamics of the group and his father's attitude, besides, even though he is treated well he is like a total prisoner on the ship as was said in the chapter in addition to which blackbeard's physique has already been acquired (Google translator)

2.320.000 evil ssj 1.160.000.000

Q o ego floresça

Megumi

Rukia, soi-fong

…

he can do a undead issei with the buster gear and have an extremely powerful minion, since he can't use it because he doesn't have a super minion with top 10 dxd potential with juggernat drive (translator)

with dragon as father ace will not have "reasons" to join the white beard and will not see him as father since dragon will fill that role, in addition to being much stronger than the original taking into account the potential of ace and the training of the revolutionaries at 20 years old he must be very close to the admirals in power that if he has the mera mera no mi as support (google translator)

Nami goro goro no mi Sanji bomu bomu no mi Zoro

evolution of dante should follow a black bolt style path since a part of his dna comes from black canary (translator)

Nagi the best

Gol D flare 3.000.000.000

what is the original name of the novel? and where can i find it?

Kid kaido, ace

Agito knows at least the basics of the niko style with him the mc can learn one of the strongest styles of kengan

Mc x yamato