Prisms
Prisms are a crafted item to be used as a vessel for players to share summoning streams.
Their use is divided in two parts, learning from one or being able to fill it. The ability to do both depends on the character class levels, using the following formula:
Prism user level is equal to:
Sum of all the following classes: Cleric, Wizard, Sorcerer, Shaman, Favored Soul, Druid, Warlock, Invoker (Hemomancer and Elementalist), Bard, Dirgesinger, Harper Priest, Harper Mage, Zhentarim Fear Speaker, Zhentarim Naug-adar.
Plus the sum of HALF the following classes levels: Ranger, Paladin, Spellsword, Blackguard, Harbinger
Finally, add double Palemaster class level.
Learning
To learn from a prism, the character needs Prism user level value at least of 1.
Filling
To fill a prism, the character needs Prism user level value at least of 21.