Damage reduction

[Satau]

Hi, i'm making a spell, and i would like that spell to give the unit a damage outcome of 0. Is there any way, in JASS, to manipulate a units damage, without having to use a buff/aura of some kind?

Any help will be very appreciated.

 

[Saia_Djinn]

add a critical strike via trigger dealing -1.00 multiplier and 100%chance and remove it after spell duration
if you don't want an Icon add it in a Hidden spellbook

 

[Satau]

thank you so much for the idea, how do i make a hidden spellbook?

 

[Saia_Djinn]

do the critical spell in a a spellbook add that spellbook and search for the action hide-spellbook in triggeractions(dunno if its under unit, hero or player)