(*: rounded decimals to the nearest tenth)
Abomination (KR) - damage: 45-55, attack rate: 2.0 s (3.0 s on Steam)
Abomination (KRF) - damage: 45-55, attack rate: 2.0 s
Bandit - damage: 20-30, attack rate: 1.0 s (*1.3 s on Steam)
Blood Trickster - melee damage: 15-30, melee attack rate: 1.0 s // ranged damage: 30-50, ranged attack rate 2.0 s (1.0 s on Steam)
Bluegale - melee damage: 60-120, melee attack rate: 2.0 s // ranged damage: 25-45, ranged attack rate: 1.5 s
Brigand - damage: 6-8, attack rate: 1.0 s (on flash and mobile) *1.5 s (on Steam)
Ceberus - damage: 70-90, attack rate: 1.0 s (1.6-1.7 s on Steam)
Demon Legion - damage: 10-30, attack rate: 1.0s (2.0 s on Steam)
Demon Spawn - damage: 10-30, attack rate: 1.6-1.7 s
Fallen Knight - damage: 24-76, attack rate: 1.0 s
Gorillon - damage: 40-80, attack rate: 2.5 s
Gulaemon - damage: 40-80, attack rate: 2.0 s
Lord Blackburn - damage: 100-200, attack rate: 2.0 s
Lycan (KR) - damage: 10-20 (H) & 50-70 (W), attack rate: 1.0 s (1.5 s on Steam)
Lycan (KRF) - damage: 10-20 (H) & 50-70 (W), attack rate: 1.0 s
Marauder - damage: 16-24, attack rate: 1.0 s (*1.5 s on Steam)
Moloch - damage: 80-120, attack rate: 1.5 s
Ogre - damage: 40-60, attack rate: *1.1-1.3 s (1.0s on flash, 1.9 s on Steam)
Phantom Warrior - damage: 50-90, attack rate: 2.0 s
Pillager - damage: 50-100, attack rate: 1.0 s
Raider - melee attack rate: 3.0 s // ranged damage: ??, ranged attack rate: *2.4 s
Redspine - melee damage: 25-35, // ranged damage: 100-130, ranged attack rate: 3.1-3.2 s
Sand Wraith - melee damage: 30-60, melee attack rate: 1.0 s // ranged damage: 20-40, ranged attack rate: 1.0 s
Savage Warrior - damage: 10-20, attack rate: 1.0 s
Spectral Knight - damage: 24-76, attack rate: 1.0 s
Troll - damage: 20-40, attack rate: 1.3 s
Troll Breaker - damage: 95-165, attack rate: 2.0 s
Troll Champion - melee damage: 30-50, melee attack rate: 1.5 s // ranged damage: 30-50, ranged attack rate: *1.6 s
Troll Chieflain - damage: 10-30, attack rate: 1.0 s
Troll Pathfinder - damage: 30-70, attack rate: 1.0 s
Yeti - damage: 50-150. attack rate: 2.5 s
Werewolf (KR) - damage: 40-60, attack rate: 1.0 s (1.6 s on Steam)
Werewolf (KRF) - damage: 40-60, attack rate: 1.0 s
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The Black Corsair - damage: 80-100, attack rate 2.0 s
Boatswain - damage: 20-40, attack rate: 1.0 s
Bucaaneer - melee damage: 15-30, melee attack rate: 1.0 s // ranged damage: 20-30, ranged attack rate: 1.5 s
Genie - damage: 20-40, attack rate: 1.0 s
Frankie - damage: 10-20 at lvl. 1 and 30-50 at lvl. 2 & 3, attack rate: 2.0 s at lvl. 1 and 1.0 s at lvl. 2 & 3
Lucrezia - damage: 10-20, attack rate: 1.0 s
Rock Elemental - attack rate: 2.0 s
Rurin Longbeard: damage: 10-30, attack rate: 1.0 s
Sasquatch - damage: 50-110, attack rate: 2.5 s
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I'll test more of them and update this thread.