Spellcraft Specialization (5e Feat)
From D&D Wiki
Prerequisites: The ability to cast at least one spell.
You become a specialist in one the spell schools. Choose between abjuration, conjuration, divination, enchantment, evocation, illusion, necromancy or transmutation. You gain the following benefits in relation to the chosen school:
- You can add the double of your proficiency modifier in any Intelligence checks related to the chosen school
- You gain a +2 bonus to your spell save DC and spell attack modifier when using spells from the chosen school.
- You can replace one spell from your spell list for another one from any spell list, as long as the spell is from the chosen school. The spell counts as a class spell for you. You must have a spell slot from the appropriated level to chose the spell. When you gain a new character level, you can replace the chosen spell for a new one of the appropriated level.