FANDOM


Upgrades
Upgrades
in Kingdom Rush are used to increase the power and effectiveness of towers and spells. There are six upgrade trees, one for each tower type and one for each spell. Each tree has a total of five upgrades.

Stars

Upgrades are bought with stars, which can be obtained in several ways:

  • Completing a Campaign level gives stars based on the number of lives left:
    • 18+ lives: 3 stars
    • 6-17 lives: 2 stars
    • 1-5 lives: 1 star
  • Completing a Heroic Challenge or Iron Challenge gives 1 star.
  • Exclusive to the Flash version:
    • Buying the Premium Content gives 15 stars.
    • Clicking on the Twitter and Facebook buttons gives 1 star each.
    • Trivia
    • You need to get 65 stars to buy every upgrade on all six trees in the original Kingdom Rush.

Archer Tower

  • KR Up Salvage Salvage (1 Star): Marksmen Towers return 90% of value when sold.
  • KR Up EagleEye Eagle Eye (1 Star): Increases Marksmen attack range.
  • KR Up PierSht Piercing Shots (2 Stars): Piercing shots ignore a portion of the enemy's physical armor.
  • KR Up FarShot Far Shots (2 Stars): Increases marksmen attack range.
  • KR Up Presc Precision (3 Stars): Marksmen attacks have a chance of dealing double damage.

Barracks

  • KR Up Tough Toughness Training (1 Star): Barracks train soldiers with more health.
  • KR Up BetArmor Better Armor (1 Star): Barracks train soldiers with improved armor.
  • KR Up ImpDep Improved Deployment (2 Stars): Improves rally point range and reduces soldier training time.
  • KR Up EndTrain Endurance Training (2 Stars): Barracks train soldiers with even more health.
  • KR Up Spiked Spiked Armor (3 Stars): When attacked, soldier's spiked armor return a percent of the damage received to the attacker. Spiked Armor also affects Reinforcements.

Magic Tower

  • KR Up SpellReach Spell Reach (1 Star): Increases wizard's attack range.
  • KR Up ArcShatt Arcane Shatter (1 Star): Magic attacks destroy a potion of enemy physical armor on every hit.
  • KR Up Heremtic Hermetic Study (2 Stars): Mage Towers construction and upgrading costs are reduced by 10%.
  • KR Up EmpMagic Empowered Magic (2 Stars): Increases wizard's attack damage.
  • KR Up SlowCurse Slow Curse (3 Stars): Magic attacks slow enemies by half their speed for a moment (half a second, Arcane Wizard the whole one-second beam duration. Also disables Rocket Rider Turbo boost).

Artillery

  • KR Up ConcFire Concentrated Fire (1 Star): Increases artillery attack damage (10% damage increase).
  • KR Up Range Range Finder (1 Star): Increases artillery attack range.
  • KR Up FieldLog Field Logistic (2 Stars): Artillery construction and upgrading costs are reduced by 10%.
  • KR Up Indust Industrialization (3 Stars): Artillery special abilities costs are reduced by 25%.
  • KR Up SmartTar Smart Targeting (3 Stars): Artillery suffers no reduction of splash and chain lightning damage.

Rain of Fire

  • KR Up BlazSky Blazing Skies (1 Stars): Adds 2 additional meteors and increases meteor damage.
  • KR Up Scorch Scorched Earth (2 Stars): Meteors set the ground on fire burning enemies over it for 5 seconds.
  • KR Up FastFur The Fast & Furious (3 Stars): Increases meteor damage, explosion radius by 25% and reduces cooldown by 10 seconds.
  • KR Up BlazEarth Blazing Earth (3 Stars): Doubles damage and duration of scorched earth, and reduces cooldown by 10 seconds.
  • KR Up Catac Cataclysm (3 Stars): Increases meteor damage and rains additional meteors at random locations all over the battlefield.

Reinforcements

  • KR Up WellFed Well Fed (2 Stars): Well Fed Farmers have additional health and deal a little more damage.
  • KR Up Consc Conscripts (3 Stars): Conscripts have more health and are better equipped.
  • KR Up Warr Warriors (3 Stars): Warriors have even more health and are excellently equipped.
  • KR Up Legion Legionnaires (3 Stars): Legionnaires have the most health and wear the best equipment.
  • KR Up SprThrw Spear Throw (4 Stars): Gives Legionnaires a spear throw attack that can target ground and flying enemies.

Kingdom Rush Frontiers

Archer Tower

  • Up KRF ImpAim Improved Aim (1 Star): Increases marksmen attack damage.
  • Up KRF Lumbermill Lumbermill (1 Star): Reduces basic archer construction costs.
  • Up KRF FocusAim Focused Aim (2 Stars): Increases marksmen attack damage.
  • Up KRF Accuracy Accuracy (2 Stars): Increases marksmen attack range and damage.
  • Up KRF TwinShot Twin Shot (3 Stars): Marksmen have a chance of shooting two projectiles at the same time.

Barracks

  • Up KRF Stance Defensive Stance (1 Star): Barracks train soldiers with better armor.
  • Up KRF BootCamp Boot Camp (1 Star): Barracks train more resilient soldiers. [HP +10%]
  • Up KRF Espirt Esprit de Corps (2 Stars): Increases barrack rally point range and healing rate.
  • Up KRF Veteran Veteran Squad (2 Stars): Soldiers are trained faster and with improved armor. [Respawn -2s]
  • Up KRF Courage Courage (3 Stars): While in combat, soldiers & reinforcements regenerate health.

Magic Tower

  • Up KRF Rune Rune of Power (1 Star): Increases mages' attack range.
  • Up KRF Penetration Spell Penetration (1 Star): Mages' bolts have a chance to ignore magic resistance.
  • Up KRF Eldritch Eldritch Power (2 Stars): Increases mages' attack damage by 10%.
  • Up KRF Academy Wizard Academy (2 Stars): Reduces mages' special abilities costs by 10%.
  • Up KRF Brilliance Brilliance (3 Stars): For every other mage tower built, each mage tower gets a bonus to damage (+4% per tower beyond the first, to a maximum of +30%).

Artillery

  • Up KRF Smoothbore Smoothbore (1 Star): Increases artillery attack range.
  • Up KRF Powder Alchemical Powder (1 Star): Artilleries has a chance of dealing maximum damage with no splash reduction.
  • Up KRF Ordnance Improved Ordnance (2 Stars): Increases artillery attack damage (10% increase).
  • Up KRF Gnomish Gnomish Tinkering (3 Stars): Reduces artilleries' special abilities reload times.
  • Up KRF ShockAwe Shock and Awe (3 Stars): Artillery towers have a chance of stunning their targets on every attack.

Rain of Fire

  • Up KRF Burning Burning Skies (2 Stars): Increases meteor damage and reduces cooldown by 5 seconds.
  • Up KRF Scorched Scorched Earth (2 Stars): Meteors set the ground on fire for 5 seconds, burning enemies walking over it.
  • Up KRF Hellfire Hellfire (3 Stars): Adds 2 additional meteors and reduces cooldown by 5 seconds.
  • Up KRF Conflagration Conflagration (3 Stars): Increases meteor damage and explosion radius while doubling scorched earth effects.
  • Up KRF Cataclysm Cataclysm (3 Stars): Increases meteor damage and rains additional meteors at random locations all over the battlefield.

Reinforcements

  • Up KRF Trained Trained Volunteers (2 Stars): Trained Volunteers have additional health and deal a little more damage.
  • Up KRF MenatArms Men-at-Arms (3 Stars): Men-at-Arms have more health and wear good armor.
  • Up KRF Champion Champion (3 Stars): Champions have even more health and wield great weapons.
  • Up KRF Sworn Sworn Blades (3 Stars): Sworn Blades have the most health and wield dual weapons.
  • Up KRF Recurve Recurve Bow (4 Stars): Gives reinforcements a ranged weapon that can target ground and flying enemies.

Kingdom Rush: Origins

Archer Tower

  • KRO Upgrade A 01 Level-1 Master Shooter (1 star): Increases Archer attack damage.
  • KRO Upgrade A 02 Level-2 Treesinged Bow (1 star): Increases Archer attack range.
  • KRO Upgrade A 03 Level-3 Obsidian Heads (2 stars): Archers deal maximum damage against unarmored targets.
  • KRO Upgrade A 04 Level-4 Elven Training (2 stars): Improves all Archer special abilities.
  • KRO Upgrade A 05 Level-5 Bloodletting Shot (3 stars): Archer attacks have a chance of causing heavy bleeding.

Barracks

  • KRO Upgrade B 01 Level-1 Elven Fencing (1 star): Reduces basic barracks construction costs.
  • KRO Upgrade B 02 Level-2 Expert Tactician (1 star): Increases barracks rally point range.
  • KRO Upgrade B 03 Level-3 Enchanted Armor (2 stars): Barracks equip soldiers with improved armor.
  • KRO Upgrade B 04 Level-4 Moon Forged Blades (2 stars): Soldier attacks deal additional magic damage.
  • KRO Upgrade B 05 Level-5 Blessing of Elynie (3 stars): Soldiers have a chance of cheating death when dealt lethal damage.

Magic Tower

  • KRO Upgrade M 01 Level-1 Crystal Focus (1 star): Increases Mage attack range.
  • KRO Upgrade M 02 Level-2 Empowered Magic (1 star): Increases Mage attack damage.
  • KRO Upgrade M 03 Level-3 Crystal Gazing (2 stars): Increases Mage attack range.
  • KRO Upgrade M 04 Level-4 Unstable Magic (2 stars): Mage attacks have a small change of dealing triple damage.
  • KRO Upgrade M 05 Level-5 Alter Reality (3 stars): Mage attacks have a chance of teleporting enemies back down the path.

Druid Tower

  • KRO Upgrade D 01 Level-1 Hardened Boulders (1 star): Increases Druid attack damage.
  • KRO Upgrade D 02 Level-2 Sharp Splinters (1 star): Increases boulder explosion area.
  • KRO Upgrade D 03 Level-3 Earth Mastery (2 stars): Increases Druid attack range.
  • KRO Upgrade D 04 Level-4 Heavy Load (3 stars): Boulder explosions ignore physical armor
  • KRO Upgrade D 05 Level-5 Shocking Impact (3 stars): Boulder explosions slow enemies for a short time.

Thunderbolt

  • KRO Upgrade Th 01 Level-1 Thunderbolt (2 stars): Adds 3 additional thunderbolts.
  • KRO Upgrade Th 02 Level-2 Roaring Gale (2 stars): Increases thunderbolt damage and reduces cooldown by 10 seconds.
  • KRO Upgrade Th 03 Level-3 Thunderstorm (3 stars): Adds 2 additional thunderbolts, while heavy winds slow down all enemies.
  • KRO Upgrade Th 04 Level-4 Monsoon (3 stars): Increases thunderbolt damage and doubles wind slowing effect.
  • KRO Upgrade Th 05 Level-5 Furious Tempest (3 stars): Increases thunderbolt damage and casts additional bolts at random enemies.

Reinforcements

  • KRO Upgrade R 01 Level-1 Skilled Defenders (2 stars): Skilled defenders have more health and better equipment
  • KRO Upgrade R 02 Level-2 Elven Stars (3 stars): Gives reinforcements a ranged weapon that can target ground and flying enemies
  • KRO Upgrade R 03 Level-3 Green Wardens (3 stars): Green Wardens have more health, better armor and improved weapons.
  • KRO Upgrade R 04 Level-4 Rapid Response (3 stars): Reduces reinforcements cooldown by 5 seconds
  • KRO Upgrade R 05 Level-5 Moon Sentinels (4 stars): Moon sentinels are elite elven huntresses, riding giant panthers.

See Also

Upgrade Strategy

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.