Homebrew
Guard Caster CR: 1
Medium humanoid (any race), any alignment
Armor Class: 13 (16 with Mage Armor)
Hit Points: 11 (2d8+2)
Speed:
30 ft.
Saving Throws: INT +5, WIS + 4, Advantage on Concentration saves
Skills: Perception +3, Arcana +5
Senses: Passive Perception 13
Languages: Common and one other (usually elvish)
Challenge Rating: 1
( 200 XP)
Proficiency Bonus: +2
The Guard Caster is a 3rd level Wizard with the War Magic subclass. Their spellcasting ability is Intelligence (+6 to spell attacks, spell save DC 14).
The Guard Caster has 4 1st level and 2 2nd level spell slots.
At will:
Cantrips: Fire bolt, Shocking Grasp, Blade Ward
1st level: Magic Missile, Burning Hands, Mage Armor
2nd level: Scorching Ray, Hold Person, Fortify
Tactical Wit. The Guard Caster can add their Intelligence modifier to their initiative rolls.
Reactions
Arcane Deflection. When the Guard Caster is hit by an attack or fails a saving throw, they can use their reaction to gain a +2 bonus to their AC against that attack or a +4 bonus to that saving throw. When they use this ability, the Guard Caster can't cast spells other than cantrips until the end of their next turn.
A spellcaster serving in the army. Recognizable by their azure trenchcoats interwoven with silver wire (
Coat of the Battle Caster).