Precisa de 199 de amizade com a Imperatriz dos Papus.

Se for ganhar no Tchauzinho , precisa sair do modo de disfarce dos Papus.

You can't wave at this NPC anymore (in NA at least). It was patched out a few weeks after release.

The amity game is near impossible, so prepare a lot of time and energy to spam +1 amity gains. Alternatively, there's a couple daylies on the island you could spam over time.

Energy cost is 50 for the knowledge

Infelizmente é um daqueles NPCs que o minigame se resume a:
- Falar Livremente
- "x" Fracassos seguidos
Com ganho de amizade de 1~3 no máximo
Se aparecer o mini game pedindo interesse máximo ou acumulado, pode dar ESC e recomeçar e não tente sequencialmente é perda de energia.
Então se prepare para gastar umas horas com esse npc e varios potes de energia.

Gaining amity with minigame LITERALLY impossible, +1 amity per minigame IF YOU're lucky. P.A. just kys

If you're not collecting Krogdalo materials, skip my comment.
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But if you do, you have to finish Lamute's Gang Adventure logs, then you can:

Just leave an alt char to do dailies from Papu's side. Each daily gives 5 amity to her, and I got it done within a week without any rushing (7-9 minutes/day).

Also keep in mind that if you do Papu's dailies, it decreases 5 amity of the Otter boss (opposite side) too. But, for me this is not a problem because I finished both of them anyway, as I do dailies to get my Donkey Krogdalo gears and I have to stay here for months.

I think this knowledge is very bottlenecked. I'd rather save my time to focus on other knowledges, and put this one as an byproduct during Krogdalo process instead, so you don't waste your time and energy solely focusing on this horrible amity minigame.

After reaching 199 amity; make sure to transform into a Papu so you can interact with Papuraora to get Kokakong knowledge, otherwise you can't interact with it