Arcanist's Crown

Wondrous Item, Rare. Requires Attunement by a Spellcaster.

 

While wearing this crown you gain a bonus to spell attack rolls and to the saving throw DCs of your spells. The bonus is determined by the amount of other allied Spellcasters within 15ft. of you and is recalculated every time you cast a spell. Spellcasters Bonus 1: 1 3: 2 5+: 3

 

Additionally, as long as there are at least 3 other allied Spellcasters within 15ft. of you gain the benefits of the bless spell. You do not need to concentrate on it. It does not stack with bless from other sources.