How to learn new Spells ?

[Roman]

Originally Posted by Stepsongrapes

If I'm reading you correctly (and you're addressing the earlier question on extra scroll copies), you seem to think that copies of scrolls are needed to upgrade.

Nope - I was trying to answer his question about higher skills not scrolls. I might be misinterpreting the question, however, as it was not very clear.

You only ever need one copy of a given spell. Upgrades cost crystals, but do not require another scroll copy.

Yep, that's correct.

Extra copies of a spell should be sold, or used in combat to cast the spell at level 1, without costing mana.

I tend to sell them.