Kaguya Otsutsuki vs Isshiki Otsutsuki

Both are two most powerful characters in Naruto/Naruto Shippuden and Boruto, lets have a comparison in thier powers amd assume who will win in Duel. 


First we have to take all these Power points to measure the difference in thier powers. 
1. Strength / Abilities
2. Jutsu
3. Visual Jutsu/ Dojutsu
4. Durability
5. By Opinion

1. Strength/Abilities comparison 

Both the characters have god Level strengths and the powers of Ten-tailed beast but Kaguya have full divine tree powers so we can conclude that in the manner of strength Kaguya would have upper hand so we can say that Kaguya possesses an enormous amount of chakra that surpasses any other known character in the series. Her chakra is said to be a mix of both spiritual and physical energy, which gives her god-like powers. 
  
 And with chakra of Divine tree Kaguya can create powerful spheres of black energy called Truth-Seeking Balls that can destroy anything they touch. These spheres are made up of all five basic nature transformations and can also nutrilize any other form of chakra. Kaguya can create bones from her body that, when touching an opponent, can turn anything they touch to ash. She can manipulate the bones to fly at high speeds and cover large distances.
And if we talk about Issshiki's Abilities Isshiki can fire powerful energy blasts from his hands, which can cause significant damage to his opponents, and apart from this he have only Dojutsu(visual jutsu) Abilities.

2. Jutsu comparison 

Nativity of a World of Trees: This jutsu allows Kaguya to create a massive tree that can absorb chakra and control the flow of nature. and Kaguya have Amenominaka that allow her to make portals and This is a space-time jutsu that Kaguya can use to create a portal to other dimensions. while Isshiki also have an Jutsu like that but from the Ash Bones and Divine Tree powers i think that Kaguya would have upper hand again in Jutsu and Abilities section and Kaguya also have big Truth seeking orbs that are Godly powerful. Kaguya can also make Tailed Beast Bomb.

3. Eyes / Visual Jutsus comparison

Kaguya possesses Byakugan, a dojutsu that gives her 360-degree vision and the ability to see chakra. She can see through solid objects and sense the location of nearby individuals. And Isshiki also posses this Visual Eye but Kaguya has Perfect Byakugan and more powerful. Kaguya can activate the Sharingan in her third eye, giving her the ability to copy techniques and predict her opponents movements, and she have the most powerful visual eye Rinne-Sharingan. 
  
   She can create Byakuya Kekkai that can repel any attack it is a barrier of light. With this Eye she can create portals to her supreme Dimensions. Isshiki have Byakugan same as Kaguya so it's tie and Isshiki have a upper hand that is Space-time Ninjutsu Sukunohikona which make him smaller and user can not see him but he would have the real strenth still in small state but Kaguya can see him or detect him by his Sharingan. So there we can conclude in Eyes/Visual Jutsus section that Kaguya is would win again.

5. Durability comparison

Kaguya's durability is extremely high, as she is a divine being and possesses immense physical and spiritual power. She was able to survive being sealed for thousands of years by her own sons, and was able to break out of their seals when she was finally released. And she was not able to defeated by Sasuke and Naruto too in thier most powerful forms. But on the other hand Isshiki has a it's Sukunohikona that make him more durable because he can become infinitely small because this Jutsu but it would be difficult for him to lay a hand on Kaguya.

Final Opinion

It should be noted that Isshiki and Kaguya appeared on earth at the same time as Isshiki was the assistance of Kaguya because when an Otsutsuki goes to another planet for the Chakra fruit they go in pair one is upper Otsutsuki and one is lower Otsutsuki and Kaguya was the Upper, and because of it we can conclude that Kaguya is more formidable by her rank and some factors too.

And Both Kaguya and Isshiki are extremely powerful, but it is worth noting that Kaguya was able to defeat Isshiki in battle in the past. However, this was when Isshiki was in a weakened state, and he has since been reincarnated with a new body that is said to be even stronger.

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