Step 1:
Entei used Will-O-Wisp! -3EN
Hit (204, d240): 141 (Yes)
Pecharunt was burned!
Pecharunt used Malignant Chain! -4EN
Crit (10, d240): 106 (No)
Effect (120, d240): 173 (No)
(10+3+(6-6))+8 = 21 DMG

Entei munched on it's leftovers! +6HP

Pecharunt was hurt by it's burn! -2HP
Step 2:
Entei used Fire Spin! -3EN
Hit (204, d240): 56 (Yes)
Crit (10, d240): 44 (No)
(4+3+(6-6)) = 7 DMG
Pecharunt was surrounded by flames!
Pecharunt used Malignant Chain! -4EN
Crit (10, d240): 208 (No)
Effect (120, d240): 27 (Yes)
(10+3+(6-6))+8 = 21 DMG

Entei munched on it's leftovers! +2HP

Entei was hurt by it's poison! -1HP

Pecharunt was hurt by it's burn! -2HP
Pecharunt was hurt by it's trapping! -2HP
Step 3:
Entei used Ember! -2EN
Crit (10, d240): 228 (No)
(4+3+(6-6)) = 7 DMG
Pecharunt was scorched!
Entei was hurt in it's confusion! -2HP
Pecharunt used Hex! -4EN
Crit (10, d240): 78 (No)
(13+3+(6-6))+8 = 24 DMG

Entei munched on it's leftovers! +2HP

Entei was hurt by it's poison! -2HP

Pecharunt was hurt by it's burn! -4HP
Pecharunt was hurt by it's trapping! -4HP
Round Summary

HP: -2-7-2-2-7-4-4 = -28

EN: -4-4-4 = -12

HP: -21+6-21+2-1-2-24+2-2 = -61

EN: -3-3-2 = -8