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Difficulty levels in 9 Kings, Peasant to King IX IX

Updated
Game version
1.0
Topic
Progression

There are 25 difficulty levels: nine named ranks from Peasant to King, then King II to King IX, then King IX II to King IX IX. Winning a run on the highest level you have unlocks the next one for every king. Higher levels make enemy armies larger and stronger and award more experience.

King of Progress deck screen showing its nine cards, level 99 and the difficulty selector set to Knight under the king card.
The difficulty selector sits under the king card, between Perks and Play. Official screenshot.

All levels

The four numbers are stored for each level in the 1.0 game data. “Enemy troops” multiplies enemy unit counts; “Wave HP” and “Wave damage” are the per-level strength factors applied to enemy waves; “XP” multiplies king experience. The game does not show these numbers, and how they combine inside a battle is not published, so compare them between levels rather than reading them as exact enemy stats.

Level XP Enemy troops Wave HP Wave damage
Peasant 1.3 3 1.1 1.025
Squire 1.6 4 1.2 1.036
Knight 1.9 5 1.4 1.05
Lord 2.3 6 1.55 1.054
Baron 2.6 7 1.65 1.058
Count 2.9 8 1.75 1.062
Duke 3.2 9 1.95 1.068
Prince 3.5 10 2.25 1.07
King 4.0 11 2.4 1.072
King II 4.2 12 2.7 1.09
King III 4.3 12 3.1 1.1
King IV 4.4 13 3.3 1.11
King V 4.5 13 3.5 1.12
King VI 4.7 14 3.7 1.13
King VII 4.9 14 3.9 1.15
King VIII 5.1 15 4.1 1.16
King IX 5.3 15 4.3 1.18
King IX II 5.5 16 4.5 1.19
King IX III 5.7 16 4.7 1.2
King IX IV 5.9 17 4.9 1.22
King IX V 6.1 17 5.1 1.24
King IX VI 6.3 18 5.3 1.26
King IX VII 6.5 18 5.5 1.28
King IX VIII 6.8 19 5.7 1.3
King IX IX 7.0 19 5.9 1.35

From Peasant to King the experience multiplier roughly triples (1.3 to 4.0), so king levels and new perks come about three times as fast on King difficulty for the same number of years. From King to King IX IX, experience rises by 75% while the wave HP factor more than doubles.

Beating King and the King IX levels

Patch #11 describes King as the intended difficulty. For the run plan, perk board, enemy re-rolls and year-33 battle, see How to beat King difficulty. For each king’s carry, perks and decrees, see Builds for every king.

Unlock rules

  • A new save has the lowest levels open. Winning on your highest unlocked level opens the next one, for all kings.
  • Since Patch #17, beating a level also marks every lower level as beaten.
  • Difficulty does not change events, cards or the calendar, only enemy strength and experience.

Difficulty achievements

Achievement Requirement Global rate
True Royalty Beat the game on King difficulty 26.2%
Self-Sufficient Win a run on King difficulty with no perks 17.7%
King of Kings Beat King difficulty with all kings; any level above King also counts 3.3%
Smurf (1.0) Play on Peasant with a king at level 9 or higher new

Quest mode difficulties

Quest mode has its own three settings: Knight (forgiving), King (the intended challenge) and Chaos (for players who have finished the quests). See Quest mode.

Sources

  1. 9 Kings game data, Difficulties table (official wiki import)The 25 difficulty rows with their multipliers, imported 13 November 2026.
  2. 9 Kings official wiki, DifficultyOrder of levels and how the next one unlocks.
  3. Patch #17 notesBeating a difficulty marks all lower ones; experience bonus on all difficulties.
  4. Patch #19 notesBeating any difficulty above King also triggers King of Kings.
  5. Patch #11 notesDifficulty rebalance; King difficulty described as the intended experience.
  6. Steam discussion on King IX IXPlayers treat King IX IX as the top level.

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