50% Training Efficiency when traning Conqueror Haki.
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I don't know about this fruit cause I never seen this devil Fruit in One Piece Series. But One thing is for sure that this fruit is too much powerful. I only used this fruit's ability in Hyperbolic Chamber. Cause It turn me Giant Dragon. I don't know actual Size of Kaido but I am almost 70% Sure that mine Transformation is way bigger than his. Another thing is that I completed change back to Human Form unlike Kaido who still has Horns in his Human Form. That's good cause I don't know How would I explain Mom Why I have Horns. It's also allowed me to change any part of my Body with My Dragon Form like Claws, Head or Wings. I can Summon whole army of Dragons. They are half size of mine when I turn into Full Dragon. They even have absolute loyalty to me. So no matter what happened they always listen to my commands. Their number's are depends on Level of the Dragon army skill. At 1st level, I only got 2 Dragons. But currently with My skill level 68, their Number becomes 136. After I Summoned them, They will rest in my Dragon World. This ability also come with this fruit and it was already at max level when I got this skill. So I can Store unlimited number of Dragons. If There are any Dragon who I didn't Summon and wants to join my Dragon Army. They can Stay in Dragon World only when they accept Absolute loyalty imparted in their Soul otherwise they won't be able to enter Dragon World. Plus, access power of Haki is amazing. When I eat this fruit basic knowledge of how to use every Haki and Train in these Haki already Imparted in my mind. So with my hard training, My Haki already at high level. I also can use advance version of every Haki. But even If I know how to use Haki. I didn't get any skill for it. I think it's similar with Ki. Cause both are type of Energy. After I got this Fruit I even Trying to Combine my God ki and Magic. If I would Able to fo that. Then might be both of my Saiyan forms and Dragon Form gets Much Stronger. But still now I didn't make any noticeable progress. But I can use Haki with Saiyan form which increases my combat power by large Margin.
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5) Dimensions Jump:
This skill allowe User to jump in between two dimensions. As skill level Increase User can Jump Dimension which Far Away and even Skill Cool down time Decrease.
Skill Cool down time: 3 Months.
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This is also another awesome skill. I could go to another friction Dimension which I want. But I still didn't use this skill cause If I went to another dimension. I Won't be able to come back before 3 Months. This will be headache to explain to Mom. When I use this skill for first time I want to go in various dimensions I like, Which are One Piece, Naruto, Fairy Tails, Arrowvers and Marvel etc.
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6) Treasure of the King(Gate of Babylon)
Gate of Babylon or Treasure of the King is the "Golden Capital" and the "King's Treasury" of Gilgamesh, and moreover the golden key connected to it. His main Noble Phantasm, It is the storehouse that Gilgamesh built to store all the world's treasures he claimed in life, referred to as the "Divine Gate". It connects the space of reality to the vault, opening an "invisible door" between dimensions that allows for the contents to pass through upon their owner's command. Allowing for easy access to the items of the treasury, he is able to pick and utilize them as he pleases. The rank of the Noble Phantasm changes from "E~A  " due to it reflecting the ranks of the contents of the treasury. It is a Noble Phantasm that becomes more powerful with the user's wealth. It's even contains unlimited currency of any world or region like Gold, Platinum, Precious Metals, Rare Diamond or Ruby and Even Money etc.