Stats

Armor, magic resist, mana and attack speed are the same at every star level.

Ornn

1 star: Passive: On combat start, forge a temporary completed item. If 3 items are already equipped, a random completed item becomes Radiant this combat instead. Active: Gain 125 Shield for 3 seconds, then breath fire in a cone dealing 180 magic damage. After any Shield on Ornn expires, Ornn enters for 2.5 seconds.
2 star: Passive: On combat start, forge a temporary completed item. If 3 items are already equipped, a random completed item becomes Radiant this combat instead. Active: Gain 200 Shield for 3 seconds, then breath fire in a cone dealing 270 magic damage. After any Shield on Ornn expires, Ornn enters for 2.5 seconds.
3 star: Passive: On combat start, forge a temporary completed item. If 3 items are already equipped, a random completed item becomes Radiant this combat instead. Active: Gain 500 Shield for 3 seconds, then breath fire in a cone dealing 430 magic damage. After any Shield on Ornn expires, Ornn enters for 2.5 seconds.