Question: ornn how to upgrade items?
Answer: Additionally, for each level after 13 (level 14, 15, 16 and 17), Ornn can upgrade one of his ally's upgradable items (Masterwork) by getting within 600 range of them and clicking on them, up to a maximum of 1 per ally. knocks them back. immobilized by Ornn or his allies, consuming Brittle.