Step 1:

Decidueye used Shadow Sneak!
But it didn't affect

Wyrdeer...
-4 EN

Wyrdeer used Psychic!
Crit (1, d24): 24 (No crit), Effect (1, d10): 10 (No drop)
(9*1 + 3 + 0 + 1 + 2)*1.5 + (0 - 0)*4 + 0 = 22.5 => 23
-7 EN

Wyrdeer's

Shell Bell restored +4 HP!

Decidueye was hurt by its

burn for -2 HP!
Step 2:

Decidueye used Shadow Sneak!
But it didn't affect

Wyrdeer...
-4 EN

Wyrdeer used Psychic!
Crit (1, d24): 9 (No crit), Effect (1, d10): 2 (No drop)
(9*1 + 3 + 0 + 1 + 2)*1.5 + (0 - 0)*4 + 0 = 22.5 => 23
-7 EN

Wyrdeer's

Shell Bell restored +4 HP!

Decidueye was hurt by its

burn for -2 HP!
Step 3:

Decidueye used Shadow Sneak!
But it didn't affect

Wyrdeer...
-4 EN

Wyrdeer used Psychic!
Crit (1, d24): 11 (No crit), Effect (1, d10): 10 (No drop)
(9*1 + 3 + 0 + 1 + 2)*1.5 + (0 - 0)*4 + 0 = 22.5 => 23
-7 EN

Wyrdeer's

Shell Bell restored +4 HP!

Decidueye
KO!
Round Summary

Wyrdeer HP: +4+4+4 = +12

Wyrdeer EN: -7-7-7 = -21

Decidueye HP: -23-2-23-2-23 = -73

Decidueye EN: -4-4-4 = -12