So Happy Together's bug

[Rayen]

The quest asked you to talk with elder's of some principals cities... but elder of the city of the lost, doesnt offer me the "green" quest where he should transform me into a turttle.... and its the last part of the quest i need to finish it 

[Agatio]

Hello. It appears that you already did that quest in the past and sold the reward item to the NPC.
But I sent you it to your mail, so you should be able to complete it.