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KR6 Guide
Sentry Watchtower, official art

Sentry Watchtower

The Sentry Watchtower is an archer tower that deals physical damage, unlocked at 64 stars on Steam and sold separately on mobile.

Line
archer
On Steam
Unlocks at 64
On mobile
Sold as an in-app purchase
Gold
100 gold to build, 670 gold to reach level IV

In Ironhide’s words

No matter the distance, these sharpshooters eliminate any threat from their vantage point with patience and cutting-edge weaponry.

Levels I to IV

LevelCostDamageAttack every
I10026-344 s
II14065-804 s
III180114-1444 s
IV250174-2184 s

Reaching level IV costs 670 gold in total; buying every skill level on top costs 1,590 gold. Selling returns 60% of gold spent; 100% before the first wave.

Level IV skills and ultimate

At level IV the Sentry Watchtower opens 3 skills bought with gold during the battle, and the ultimate Triple Tap from the Upgrades room.

Battle Momentum

  1. L1Killing a unit with a basic attack grants the next attack 10% bonus damage and 25% shorter cooldown.150 gold
  2. L2Killing a unit with a basic attack grants the next attack 25% bonus damage and 25% shorter cooldown.150 gold
  3. L3Killing a unit with a basic attack grants the next attack 40% bonus damage and 25% shorter cooldown.150 gold

Mortal Wound

  1. L1A precise attack inflicts bleeding on an enemy, dealing 128-160 true damage over 4 seconds.200 gold · 12 s cooldown
  2. L2A precise attack inflicts bleeding on an enemy, dealing 256-304 true damage over 4 seconds.200 gold · 12 s cooldown
  3. L3A precise attack inflicts bleeding on an enemy, dealing 384-464 true damage over 4 seconds.200 gold · 12 s cooldown

Guardian Hound

  1. L1A loyal watchdog briefly blocks and attacks enemies in the tower's blind spot with 3 bites of 22-30 physical damage each (66-90 total).180 gold · 6 s cooldown
  2. L2A loyal watchdog briefly blocks and attacks enemies in the tower's blind spot with 3 bites of 46-58 physical damage each (138-174 total).180 gold · 6 s cooldown
  3. L3A loyal watchdog briefly blocks and attacks enemies in the tower's blind spot with 3 bites of 68-88 physical damage each (204-264 total).180 gold · 6 s cooldown

Triple Tap Ultimate

Advanced mechanisms let the marksman fire 3 quick shots, each dealing 10% bonus damage.50 s cooldown

Unlocked by Ultimate Sentinels (5 points, Upgrades room).

Other archer towers

In Classic Rush this slot goes back to the first game’s archer line instead: Archer Tower, Marksmen Tower, Sharpshooter Tower, then Rangers Hideout or Musketeer Garrison at level 4.

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