How does Sekiro kill Magikarp?

Step 1 of Sekiro Killing Magikarp: Activate the ghost Buddha statue at the feeding place, talk to the NPC there and ring the bell to summon the big carp. Step 2: Teleport from the feeding place to Hirata's mansion, jump into the lake, find the noble man on the shore, talk to him, and spend 7 treasure carp scales with him. How Sekiro Killed Magikarp

Step 3: Afterwards, choose to "talk" to him. After talking to him twice, he will give you "Really Precious Bait". Step 4: Go back to the feeding area and feed the carp "really precious bait", which will poison it to death. Step 5: Teleport to the drinking place of the Lion Ape. The body of the big carp is there. Pick up the item in front of its mouth to unlock the trophy. Take the items you picked up back to the Jar Merchant so he can become a carp.