Multicaster

Prerequisite: 12 levels in a class with the spellcasting or pact magic traits

As a highly trained mage, you have learned to concentrate on multiple spells at once. You can now concentrate on two spells of level one or higher, adhereing to the following restrictions:

• The combined levels of the two spells cannot exceed your spellcasting ability modifier. If you have multiple spellcasting abilities, average the modifiers to determine the max combined levels.
• While concentrating on two spells, you can cast only cantrips.
• When damage or another effect would force you to make a Constitution saving throw to maintain concentration, you make only one saving throw. If you fail, you lose concentration on both spells.