BlzSetUnitArmor

Parameters
whichUnit unit
armorAmount real
comment

Changes(set) the unit armor of a specific unit, you pass it a real value, can be negative

Changes TOTAL amount of armor a unit has. If unit has a bonus (green) armor from an aura or item, base armor will be reduced to achieve total amount of armor you specified. E.g. a unit has 1+3 armor, if you set armor to 1.00, unit’s armor will be changed to -2+3

patch

1.29

return type
nothing
Source code
native BlzSetUnitArmor                             takes unit whichUnit, real armorAmount returns nothing
Source
unit.j
wc3modding.com
BlzSetUnitArmor