Bug or Not ???
1.) Doppelwalk illusion spell ,no lvl upgrade and don't work on any Passive spell .
Ex. Time Lock ,Phantom Edge (Or It worked but show lvl = 1 ???.)
2.) No other spells attached on Mirror image Unit ,When i use unit Transforms spell.
Ex. Chemical Rage (Or It contains,but no showing icon ???.)
I seen on Original DotA Map ,Not like this and work well.
Sorry if this wrong post and sorry for my bad English Thank.