Required items:

1. 20x Heart of Mermaid (950)
2. 10x Leopard Claw (7172)
3. 3x Ancient Lips (1054)

1. Speak to the Shaman in northeast Brasilis (brasilis 315, 334). She complains about a water nymph stealing all of the tribe's young men. She needs some items to produce a cure for the young men.

20 Mermaid's Heart 10 Leopard Claw 3 Ancient Lips

1. Return with those items and receive 2 Purification Potion.
2. Players can then choose to take a Purification Potion with them and talk to Iara on the second floor of the Brasilis Dungeon (bra_dun02 157, 74). She will use it to endow the character with 60 minutes of +10 CRIT, +20 HIT and +3 to all stats.

Note: If you have no Purification Potions, she will inflict Confusion or Curse ailments on the player during 1 minute.

Once you have completed the questline, you can open a store at Shaman to buy as many Purification Potion (11517) as you want.