What are the requirements for upgrading Kingdom Power levels?

[Fleg]

Kingdom Power Requirements (Now Up to 20 Stars)

1 Star: +100 Gold Collect 2 Troops Upgrade a Troop to Level 5 Complete all the Quests 2 Stars: x2 Tribute Collect 4 Troops Upgrade 3 Troops to Level 10 Upgrade Kingdom to Level 5 3 Stars: +200 Gold Collect 1 Weapon Unlock 3 Traits on 4 Troops Collect 2 Epic Troops 4 Stars: x2 Tribute Chance Collect 8 Troops Upgrade 5 Troops to Level 15 Upgrade Kingdom to Level 10 5 Stars: +1 Kingdom Skill Fully upgrade a Weapon Unlock 3 Traits on 7 Troops Collect a Legendary Troop 6 Stars: +400 Go…

If you click the link it’s actually much clearer