Mysticism (UO)

Intoduced in the expansion Stygian Abyss, the skill Mysticism in Ultima Online is the original magical school of the Gargoyles, although every race by now can learn it. To cast spells, one needs a special spellbook, which can be bought in Ter Mur. Additionally, to cast spells, the skills Meditation for a high mana count and Focus, which takes the place of Evaluate Intelligence are needed.

Note that besides the usual reagents, some additional ones are used:

The spell are a good mix of offensive and defensive spells, together with some utility spells.

Training
To train the skill as fast as possible, follow this guide for which spell to ast a lot at which skill level for maximum effect.