| King of Nothing | Castle | Balanced Foundations, Shields & Adjacency Scaling | Unlocked by default when starting 9 Kings. | king-of-spells, king-of-nature |
| King of Spells | Citadel | Enchantment Duplication, Chain Lightning & Tome Scaling | Use 9 Enchantment cards across runs. | king-of-nothing, king-of-progress |
| King of Greed | Palace | Gold Economy, Mercenary Hordes & Dispenser Hyper-Speed | Spend 999 Gold across runs. | king-of-nothing, king-of-blood |
| King of Blood | Pagoda | Sacrifice Loops, The Pit Synergies & Infinite Summons | Kill 9,999 enemy units in battle. | king-of-nomads, king-of-greed |
| King of Nature | Treant | Exponential HP Scaling, Boar Riding & Troop Multiplication | Win 9 games on any difficulty. | king-of-nothing, king-of-stone |
| King of Stone | Stronghold | Fortification Walls, Tower Defense & Earthworks Card Loops | Build 99 Buildings/Towers across runs. | king-of-progress, king-of-nature |
| King of Progress | Mothership | Plot Level-Up Chains, Lab Rats & Pit Recycling | Level up 299 plots across runs. | king-of-stone, king-of-greed |
| King of Nomads | Warlord | Plot Migration, Raptor Mounts & Destruction Scaling | Play 99 Troop cards across runs. | king-of-blood, king-of-stone |
| King of Time | Bastion | Time Travel (Year -1), Amplifier Replication & Battle-Duration Scaling | Complete the Time progression unlock condition in Singleplayer / Quest progression. | king-of-progress, king-of-spells |
| Rainbow Army (Jack of Rainbows) | None (Encounter Boss) | Game-Breaking Rainbow Cards & Cross-Faction Multipliers | Unplayable boss faction. Appears in standard runs (Year 11+) or Year 1 with the Lunatic Rainbow Perk. | king-of-nothing, king-of-time |