No dice, I was using the GX.games browser launcher, it might just be that system it seems pretty buggy. But I'm running into another issue with the regular launcher, after yours and the slime's turn it does this:
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ERROR in
action number 1
of Step Event0
for object oBattle:
trying to index a variable which is not an array
at gml_Script_anon_anon_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4071_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4117_anon_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4071_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0 (line 139) - if (_option[0] == "Attack") return 99;
############################################################################################
gml_Script_anon_anon_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4071_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4117_anon_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4071_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0 (line 139)
gml_Script_anon_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0_4071_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0 (line 146) - return _Priority(_b) - _Priority(_a);
gml_Script_anon_gml_Object_oBattle_Create_0_1502_gml_Object_oBattle_Create_0 (line 135)
gml_Object_oBattle_Step_0 (line 42) - if (!instance_exists(oMenu)) DoTurn(units[turn]);