Rinnegan
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How to upgrade your Ninjas?

2 Ninjas of a same type and enhancement level can be upgraded to create one with higher enhancement level.
  • For example, 2 Narutos of enhancement level +1 can be upgraded to create one Naruto of enhancement level +2. This new one can fight the bosses with a higher win rate and can receive more valuable rewards.
  • Players will lose 1 of the Ninjas if the upgrade fails without using protection amulets.
Players can increase the success rate when upgrading by using lucky charms. Lucky charms help increasing the success rate when unifying by 10%. They can be bought at the shop.
In order to prevent players from losing high-enhanced NINJAs which is equivalent to a large amount of money, we created the protection amulet, this item has the function of preventing the player from losing his NINJAs if unfortunately, the upgrade fails. The protection amulets are sold in our shop.
Upgrading Ninjas will cost a small fee depending on the enhancement level.
Enhancement Level
Success Rate
Upgrade Fee
Level +2
100%
7,500 REN
Level +3
81%
15,000 REN
Level +4
64%
22,500 REN
Level +5
50%
30,000 REN
Level +6
26%
37,500 REN
Level +7
15%
45,000 REN
Level +8
7%
52,500 REN
Level +9
4%
60,000 REN
Level +10
2%
67,500 REN
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