A spell school inspired by Gandalf. Oaths: An Oath spell lasts until the end of the encounter, with no Concentration. Each Oath lists a Price you must pay or a Binding, a restriction you must keep. If you break the Binding, the Oath ends.
Hallowed Ward
Cantrip, Single TargetIncrease the target's defense by 1d8 until the end of their next turn. If you have an active Oath, add KEY to the defense.
Radiant Sword
Cantrip, SelfOath. Your weapon attacks gain +1d8 radiant damage. Binding: You must end your turn adjacent to an enemy.
Take Courage
Tier 1, Single TargetOath. An ally within reach heals KEY at the end of your turn. Binding: The target(s) of the healing must be the most damaged among your allies (even if currently out of reach).
Secret Fire
Tier 2, Single TargetIf you have an active Oath, maximize the damage.
Prophecy
Tier 3, Single TargetOath. Reaction: When an ally would be hit or crit, the attack misses. Price: You become slowed until the end of your next turn.
You Shall Not Pass
Tier 4, AoEOath. Conjure a 4-space invisible wall. Binding: you can't move, and you must spend 1 action each turn to hold it. Enemies can't cross. A creature that tries takes 3d8 radiant.
Ancient Knowledge
Tier 5, SelfOath. All your spells cost 1 less mana, and you have advantage on all Lore checks and weapon attacks. Binding: you cannot receive any healing.
Holy Weapon
Tier 7, Single TargetOath. You or an ally's next weapon attack deals +d88 damage. Binding: the wielder can only attack creatures of great evil, such as undead, demons, or evil dragons.
Dawn From On High
Tier 9, AoEOath. 6x6 area. Enemies take d88 radiant on a failed STR save, half on a success. Allies heal the same amount of HP. Price: You are incapacitated until the end of your next turn.
Booming Voice
SelfYour voice can boom, and you can cause rooms to grow dark or thunder to crack. You can always gain advantage on intimidation with this effect.
Consecrate
Single TargetCast Time: 1 Minute. Bless an item, while using that item for a task outside of combat, it gives advantage on a skill check.
Foxfire
SpecialCast Time: 1 Minute. Create wisps of light that if followed, lead to the closest safe area, but not always avoiding danger.
Glimpse of Truth
SpecialDispel illusions, fog, or supernatural darkness.