'Karma' seal could possibly

[Calpal]

Maybe the karma seal gives you the power to use limited rinnegan techniques?

kawaki used an attack similiar to how juugo manipulates his body into weapons, or alternatively how the ashura path can create weapons and such.
boruto has been seen using a preta type absorbtion, his seal is in the same spot as momos rinne, which he used primarily or exclusively for preta.

so besides the obvious "get a seal from an otsutsuki" theory, what else do you guys think these karma seals could be, or even what would you like it to be?

 

[Uverdore9]

It give's Rinnegan techniques, Mangekyou Sharingan jutsu like Samadhi Flames. A collaboration of both.

 

[NextGenNinja]

I still think this is how the Otsutsuki transfers power from one to the another.

 

[PowerMix160]

I think Karma seals have the power of the previous users (Otsutsuki) and about Kawaki.. I think he's from Jugo's clan, his arm transformation looks similar to Jugo's, I also think he can transform his whole body into that, thinking about parallels, Boruto being the one with the dojutsu and Kawaki the one with transformation (ex. Naruto and Sasuke).

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[uhmusddy]

boruto solos crabby claws with his kenjutsu

 

[Chikombo]

That ,ales ,e wonder, maybne earlier forms of rinnegan could summon like spears and stuff and not advanced weapons.

 

[Guntah]

To be honest I don't think Kawaki's Arm Blade Jutsu has anything to do with the seal. From what we saw with Boruto, it doesn't do much unless its activated.

 

[ThelUchiha]

I think Karma seals have the power of the previous users (Otsutsuki)

This could be a good theory.... Momoshiki was able to absorb the techniques from his palms/Rinnegan and give the same seal to Boruto, thats why he is able to absorb the ninjutsu the same way Momoshiki did.

I wonder how come others go their Karma seal and are they the same as the ones given by Otsotsuki or ?

 

[Thundergod123]

To be honest I don't think Kawaki's Arm Blade Jutsu has anything to do with the seal. From what we saw with Boruto, it doesn't do much unless its activated.

This, and I believe that's just his ability, but not from his Kama seal.

 

[Almighty Ra]

Or maybe he was genetically created with genes from different clans..since he is a weapon thats what i'm guessing unless ur theory is correct. Good theory