Troilite

Level 1

Increases Rex's Ultimate Charge Efficiency by 225% and his Ultimate Multiplier by 40.5%. Reduces Rex's Ultimate cooldown to 50%, and increases its hits by 100%. Rex has a 40% chance to inflict 1 Vulnerability when dealing DMG, increasing the target's DMG taken by 50% and their Ultimate DMG taken by an extra 50%. Stacks up to 10 times and lasts 10s.