Armour of Agathys is a level 1 abjuration spell. It allows spellcasters to create a spectral armour of frost that covers the caster and their equipment. The armour provides additional Hit Points to the caster and damages hostile targets while the added Hit Points are present.
Description
Gain
5 temporary hit points and deal 5
Cold damage to any creature that hits you with a melee attack. 
Can only have Temporary Hit Points from one source.
Properties
- Cost:
-
Action + 
Level 1 Spell Slot
- Details:
-
Range: Self
At higher levels
Upcast: Gain an additional 5 temporary hit points and deal an additional 5 Cold damage per level. Condition: Armour of Agathys
Armour of Agathys 
Duration: Until Long rest
Gained x Temporary Hit Points. If hit with a melee attack, the attacker takes x Cold damage and this effect ends.
How to learn
Classes:
- Class Level 1: Warlock , and Draconic Bloodline Sorcerer (White/Cold Ancestry)
- Class Level 6: College of Lore Bard (via Magical Secrets)
- Class Level 10: Bard (via Magical Secrets)
Notes
The incantation for Armour of Agathys is Mactē Virtutē, the Latin command "honour with virtue!"
