If you don't want to build a Sightstone, don't play Support.
When you decide to play Support, you have to get a
.
With this discussions of people saying that they don't have to build
if they don't want to... yes you have to.
While it is the job of the whole team to have vision on the map, it's the core job of supports.
So if you don't want to build it and get Damage Items instead, play a carry role instead.
What would you say to an
who decides to go AD because she "doesn't want to buy AP items".
Or an
who goes Full AD.
An AP Carry is supposed to deal AP Damage and get AP Items,
A Tank is supposed to get Tank items,
And a Support is Supposed to peel, cc and ward, for which he needs
a
.
So, yes, you'll have to get a
if you decide to play Support, everything else is trolling.