Hello Lynn,

You are correct about the percentile tiers and rewards. If your percentile score is above 80%, you will only receive Epic and Legendary items, with their chances of dropping being recalculated accordingly: 30% chance for a legendary item and 70% chance for an epic item (they initially have 3% and 7% chance of dropping).

Thank you for the full scoreboard suggestion. We have added this feature on our list and plan to implement it for our next world bosses. Let us know if you have any other suggestions.