What quest should I do to...

[Phillix]

Be able to understand and communicate with the npcs from manuk? I can't find it anywhere on google or ragnarok databases :S

[Triper]

It's the one that gives you the Ring of Wisdom. You've to equip the ring to be able to understand them.

http://irowiki.org/wiki/Ring_of_the_Wise_King

[Phillix]

Thanks for the answer, very helpful. I appreciated it