[Solved][Spoiler] The association between a group of NPCs and quests

[Vio]

Attention! This thread contains spoilers.

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In the River and the Islands in Gipath, there is a group of lizards trapped in a pit in the goblins' habitat. Are they associate with any quest?

By the way, does any lizard in the Middle Mountains talk to you and give you any quest?

No, you can just let them go or kill them for leather.
Also no, since there is no dialogue zone in the Middle Mountains.