Getting Rengoku then finding another hidden key

Basically, I found a hidden key which leads to the Rengoku. Then, I got another hidden key by a mob drop. FIRST TRY. I must be so lucky.Im showing you how to

Yo I just got the hidden key and got rengoku : r/bloxfruits

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If Rengoku got his demon slayer mark, would he be stronger than Giyuu with his mark? - Quora

Demon Slayer Animator Unleashes Rengoku in New Key Art

Are Awakened Ice Admiral keys bugged or not? : r/bloxfruits

What's the best way to get hidden key I farmed like 1000 times awakened ice admiral and I still didn't get it and the chances of getting the hidden key on awakened

Rengoku Kyoujurou Nichirin Sword – Csnoobs Online Store

Yo I just got the hidden key and got rengoku : r/bloxfruits

i got a hidden key from a npc in ice castle and got rengoku how percent is that (not from the boss) : r/bloxfruits