You want to use mana potion in your second character, is it?
Try this macro:
[macro]1000 {shootManaPotion} char_name:=xxxx Ammo:=yyyy Delay:=1000 ID_char:=Creature.ByName(!char_name!) Creature.ShootOn(!ID_char!, !Ammo!) Macro.Wait(!Delay!)[/macro]
Change the xxxx and yyyy by char name and Id of mana potion.
Try this macro:
[macro]1000 {shootManaPotion} char_name:=xxxx Ammo:=yyyy Delay:=1000 ID_char:=Creature.ByName(!char_name!) Creature.ShootOn(!ID_char!, !Ammo!) Macro.Wait(!Delay!)[/macro]
Change the xxxx and yyyy by char name and Id of mana potion.