"Unknown macro option: Harm"

[Elvenbane-kazzak]

This is what you’re after.

@Elvenbane-kazzak

Basic Help/Harm Macro

This will cast one spell when mousing over or targeting a friend and another when mousing over or targeting an enemy.

#showtooltip
/cast [mod:alt,@player] [@mouseover,help,nodead] HELP_SPELL; [@mouseover,harm,nodead] [harm] HARM_SPELL; HELP_SPELL