Original idea: DrWord. Click here to go to the original source in Reddit.
This is the updated version monster with multiple attack on skill, cool down applied (easy obtain from MS and SD)
1st Skill with multiple attack
Kobold Bomber(3x)
Nine-tailed Fox (3x)
Magic Knight (3x)
Oracle (3x)
Pierret (2x)
Vampire (2x)
Barbaric King (2x)
Neostone Agent (2x)
Lizardman (2x)
Neostone Fighter (2x)
Cow Girl (2x)
2nd skill with multiple hit (3-5) 2-3 turn cool down when maxed
Low Elemental (4x) 2cd
Serpent (3x) 2cd
Lapis, Water Magic Knight – (4x) 3cd
Lucasha, Fire Harpy – (4x) 2cd
Zibrolta, Fire Kobold Bomber – (3x) 3cd
Colleen, Fire Harpu – (3-4x) 3cd
Rigel & Fuco, Water & Wind Lich – (4x) 2cd
Su & Yen, Water & Wind Rakshasa – (3x) 4cd
Shimitae, Wind Sylph – (3x) 4cd
Luer, Water Phanton Thief – (3x) 3cd
3rd skill with multiple hit (4-6) 3-5 turn cool down when maxed
Kung Fu Girl (4x) 4cd
Sia, Light Harpu – (6x) 4cd
Julie, Water Pierret – (6x) 4cd
Shihwa, Fire Nine-tailed Fox – (5x) 3cd
Ellin, Water Amazon – (4x) 4cd
Izaria, Water Succubus – (4x) 4cd
Orochi, Wind Ninja – (6x) 4cd
Gildong, Water Taoist – (4x) 3cd
Roger, Wind Bounty Hunter – (4x) 4cd
Sophia, Wind Pierret – (5x) 3cd
Seren, Dark Harpu – (4x) 3cd
Lisa, Fire Neostone Agent – (4x) 4cd
Walter, Wind Viking – (5x) 5cd
Iselia, Fire Fairy – (4-6x) 4cd
Kacey, Water Pixie – (4x) 4cd
Lucasha, Fire Harpy – (6x) 4cd
Selena, Wind Succubus – (5x) 4cd
Zibrolta, Fire Kobold Bomber – (4x) 4cd
Fynn, Water Imp – (4x) 4cd
Hwahee, Fire Sky Dancer – (6x) 4cd
Liesel, Water Vampire – (4x) 4cd
Hina, Wind Amazon – (5x) 4cd
Shi Hou, Water Monkey King – (4x) 4cd
Yaku, Water Imp Champion – (5x) 3cd
Stella, Water Assassin – (7x) 4cd
Okeanos, Fire Sea Emperor – (5x) 4cd
Sera, Water Cow Girl – (6x) 4cd