Master Yi is highly vulnerable to crowd control, so it's crucial to check enemy composition and dodge CC abilities.
Kraken Slayer is currently a core item, compensating for a weak early game and synergizing well with Alpha Strike. Build into Hexplate and Guinsoo's Rageblade for further power.
He demonstrates high carry potential in lower tiers but can easily fall off if he stumbles. Focus on early snowballing to close out games quickly.