Splint Mail (Heavy)
Legendary Resistance: If you fail a saving throw while attuned to this armor you may choose to succeed instead. Alternatively, you can your reaction to expend one use to make an ally you can see within 90 feet succeed on a saving throw they failed. You may use this feature twice per long rest.
Shield-maiden's Guidance: Whenever one of your allies makes an attack while within 10 feet of you, you may use your reaction to add your spell attack modifier to the roll. You can use this feature twice per long rest.
Healing Fury: When you make a successful attack against a creature that is hostile towards you, you can choose to regain an amount of hit points equal to your spellcasting ability modifier.