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Louis IX

Sx19 • Cavalries Support Commander • Middle or/and Back Row

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Commander's Tactical Evaluation

Reviewed by Don
¹ “Louis IX (also known as Mysterious Man in regional clients) is an Sx19 Cavalry control/cleansing support. His Skill 2 (Miraculous Rainfall, 55% chance) grants Sober status, +40% damage dealt, and -40% damage taken to 2 friendly squads for 2 rounds. Skill 5 (Royal Codes, 50% chance) deals 330% skill damage to 2 enemy squads and applies position-specific debuffs for 2 rounds: -70% healing received to Front row, 2-round Suppression to Middle row, and -40% damage dealt to Back row. Skill 8 (Army Breaker) deals 420% skill damage after 1 round of prep with an escalating repeat-cast chance (+15% per cast).”

Deployment Summary: Louis IX is a Support commander introduced in Sx19 (rated High Tier). Commands Cavalries in the Middle row (with secondary flexibility in the Back row), following an unlock priority of 8th - 6th - 7th.

² Special Mechanics & Formation Advisory

Skill 5 applies row-specific debuffs: Front (-70% heal), Middle (2-round Suppress), Back (-40% damage).

³ Tactical Mechanics & Matchups

Countered By / Weaknesses

Complete 8-Skill Breakdown (1–8)

Skills 2, 5 & 8 are main combat skills; Skills 1, 3, 4, 6 & 7 are passive stat/troop multipliers.

Skill 1 — Command (Passive)

Type: Passive

Lead a squad of troop; Dictator +90%

Skill 2 — Primary Combat Skill

Type: Combat Range: 3 Targets: 2

[Miraculous Rainfall] 55% chance to apply the Sober status to 2 random squad(s) of yours, making the recipient immune to Silenced/Disarmed/Suppressed/Confused status, deal 40% more damage, and take -40% less damage, lasting 2 round(s).

Skill 3 — Squad Attribute Boost

Type: Passive

Might +30%

Skill 4 — Troop Training Boost

Type: Passive

Resist +30%

Skill 5 — Signature Combat Skill

Type: Combat Range: 5 Targets: 2

[Royal Codes] 50% chance to deal 330% Skill Damage to 2 random enemy squad(s) within the valid range, and apply the following effect based on the position of the target: when the target is in the front row, the healing effect it receives drops by -70% for 2 round(s); when the target is in the mid-row, it will be Suppressed, not being able to take actions for 2 round(s); when the target is in the back row, it deals -40% damage for 2 round(s).

Skill 6 — Awakening Boost

Type: Passive

Might +15%; Resist +15%, Dictator +250%, Damage +15%

Skill 7 — Mastery Boost

Type: Passive

Might +40%

Skill 8 — Ultimate Combat Skill

Type: Combat Range: 5 Targets: 1

[Army Breaker] 1 round of prep; 60% chance to deal 420% Skill Damage to 1 random enemy squad(s) within the valid range, with 30% chance to cast the skill 1 more time(s) toward the same target. The chance will be increased by 15% every time the skill is cast.

Skill 1 — Command (Passive)

Passive

Lead a squad of troop; Dictator +90%

Skill 2 — Primary Combat Skill

Combat • Range: 3 • Targets: 2

[Miraculous Rainfall] 55% chance to apply the Sober status to 2 random squad(s) of yours, making the recipient immune to Silenced/Disarmed/Suppressed/Confused status, deal 40% more damage, and take -40% less damage, lasting 2 round(s).

Skill 3 — Squad Attribute Boost

Passive

Might +30%

Skill 4 — Troop Training Boost

Passive

Resist +30%

Skill 5 — Signature Combat Skill

Combat • Range: 5 • Targets: 2

[Royal Codes] 50% chance to deal 330% Skill Damage to 2 random enemy squad(s) within the valid range, and apply the following effect based on the position of the target: when the target is in the front row, the healing effect it receives drops by -70% for 2 round(s); when the target is in the mid-row, it will be Suppressed, not being able to take actions for 2 round(s); when the target is in the back row, it deals -40% damage for 2 round(s).

Skill 6 — Awakening Boost

Passive

Might +15%; Resist +15%, Dictator +250%, Damage +15%

Skill 7 — Mastery Boost

Passive

Might +40%

Skill 8 — Ultimate Combat Skill

Combat • Range: 5 • Targets: 1

[Army Breaker] 1 round of prep; 60% chance to deal 420% Skill Damage to 1 random enemy squad(s) within the valid range, with 30% chance to cast the skill 1 more time(s) toward the same target. The chance will be increased by 15% every time the skill is cast.

Core Combat Kit Side-by-Side (Skills 2, 5 & 8)
Skill 2 R:3 • T:2
Combat

[Miraculous Rainfall] 55% chance to apply the Sober status to 2 random squad(s) of yours, making the recipient immune to Silenced/Disarmed/Suppressed/Confused status, deal 40% more damage, and take -40% less damage, lasting 2 round(s).

Skill 5 R:5 • T:2
Combat

[Royal Codes] 50% chance to deal 330% Skill Damage to 2 random enemy squad(s) within the valid range, and apply the following effect based on the position of the target: when the target is in the front row, the healing effect it receives drops by -70% for 2 round(s); when the target is in the mid-row, it will be Suppressed, not being able to take actions for 2 round(s); when the target is in the back row, it deals -40% damage for 2 round(s).

Skill 8 R:5 • T:1
Combat

[Army Breaker] 1 round of prep; 60% chance to deal 420% Skill Damage to 1 random enemy squad(s) within the valid range, with 30% chance to cast the skill 1 more time(s) toward the same target. The chance will be increased by 15% every time the skill is cast.

Canonical Legion Formations

Verified [Front · Middle · Back] lineups from the 42 Canonical Formations catalog featuring Louis IX.

All 42 Canonical Combos →
Development System (Exclusive)

Standard: Classic hero development requiring 3 duplicate medals to max.
Exclusive: Modern/SX hero tree requiring 34 duplicate medals to fully max.

Recruitment Pool (Standard)

Standard: Recruited via Super/Seasonal Banners.
Paid / Royal: Special bundle or Royal Prestige store commanders.