From Liquipedia Dota 2 Wiki
When cast on an ally it increases armor, attack speed, and movement speed. When cast on an enemy it reduces armor, attack speed, and movement speed. Removes the armor from the caster when used.
- Casting Shine removes the armor from the caster for the duration.
- Multiple of the same Shine debuffs/buffs do not stack with themselves and will only refresh the duration.
- The different debuff and buff do stack with each other and each have an independent duration.
- Shares cooldown with Medallion of Courage.
- Fully stacks with Valor.