Action 1
Ludicolo used Giga Drain - 11 energy
To crit (3382) - No
(8 + 3 + 3)*1,5 = 21 damage
+10,5 HP to Ludicolo
Cloyster used Rock-Blast
To crit (7652, 2592, 221, 9520, 8521) - One
(15 + 1,5 + 1) = 17,5 damage
Action 2
Ludicolo used Absorb - 5 energy
To crit (5419) - No
(4 + 3 + 3)*1,5 = 15 damage
+7,5 HP to Ludicolo
Cloyster used Icicle Spear
To crit (921, 5120, 7501, 5562, 9973) - No
(15 + 1,5 + 3) = 19,5 damage
Action 3
Ludicolo used Energy Ball - 5 energy
To crit (3425) - No
To lower Sp.Def (2236) - No
(8 + 3 + 3)*1,5 = 21 damage
Cloyster fainted!