Top augment choices for K'Sante include Heavy Hitter (Silver), Outlaw's Grit (Gold), Dashing (Prismatic).
Overall
Outlaw's Grit
Outlaw's GritAfter using a Dash, Blink, or Teleport Ability you gain Armor and Magic Resist.
Tier: S+
Pick %: 21%
Tank Engine
Tank EngineGain increased size and percent bonus Health per takedown.
Tier: S+
Pick %: 20%
Dashing
DashingYour dash, leap, blink, or teleport Abilities gain @Haste@ Ability Haste.
Tier: S+
Pick %: 16%
Silver
Heavy Hitter
Heavy HitterYour Attacks deal additional physical damage equal to @HealthPercent*100@% of your max Health.
Tier: S+
Pick %: 13%
Desecrator
DesecratorImmobilizing enemy champions grants you permanent Cursed Power. Gain Armor and Magic Resistance based on your Cursed Power.
Tier: S+
Pick %: 8%
Clothesline
ClotheslineThere is a tether connecting your team, deals constant magic damage to enemies it touches.
Tier: S+
Pick %: 7%
Gold
Outlaw's Grit
Outlaw's GritAfter using a Dash, Blink, or Teleport Ability you gain Armor and Magic Resist.
Tier: S+
Pick %: 21%
Tank Engine
Tank EngineGain increased size and percent bonus Health per takedown.
Tier: S+
Pick %: 20%
Quest: Steel Your Heart
Quest: Steel Your HeartRequirement: Possess Heartsteel with @StackThreshold@+ stacks. Reward: Multiply your Heartsteel stacks by @StackMultiplication@. Increase your Health Regeneration by @StacktoRegenConversion*100@% of your Heartsteel stacks.
Tier: S
Pick %: 14%
Prismatic
Dashing
DashingYour dash, leap, blink, or teleport Abilities gain @Haste@ Ability Haste.
Tier: S+
Pick %: 16%
Dreadbringer
DreadbringerGain an aura that continuously harvests permanent Cursed Power per enemy champion inside. Gain max Health based on your Cursed Power.
Tier: S+
Pick %: 13%
Goliath
GoliathBecome large, gaining @HealthAmp*100@% Health and @AFAmp*100@% Adaptive Force.