things like 
make building items seem more guided, like what if i wanted to build seekers for the armor but dont want zhonyas or what if i wanted executioners for the anti healing but want more damage, not pen
EndlessSorcerer1 votesTypically, in that situation you would just purchase the item and sell if when you need the slot (when you have all but 1/2 items complete.
You lose a little bit of gold, but ~400G isn't that much when you are approaching full-build. By that point, the item has served it's purpose and was a worthwhile investment.
TNHA Baritone1 votesbecause those items serve a SPECIFIC purpose and if every item like those above could branch off into other items then there'd be a lot more counter building with items so you wouldn't have to build knowledgeably
