you need at least 2 potioncha
 

"you need at least 2 potioncha"
what does that mean?

Trying to do an improve Charisma Bonus?

yes
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and u need at least 2 potiondex
where can i get it?
and does i need for iwd potion`s too?

Potioncha/Potiondex/Potionint/etc:
An extremely rare potion that grants the user a permanent +1 to that stat (max 20). When you've reached a natural 20, you can use 2 and a scroll of Increase ___ Bonus to enchant your weapon, thus bringing that stat up to the True Max of 30.

Unfortunately, as per usual the scroll was added before thought was given to the potions, so you and I both wasted a lot of money on something that doesn't work (yet) and doesn't resell well.

You cant get these potions yet becaues they will be the gifts of quests and such later on

Does Enchant Weapon scroll work yet?

Yes but it counts as an improvement on your weapon :o