The unsung martyr of preseason

Elixir of Ruin.

Rip buying it as Quinn and ult-homeguarding the minions to the enemy inhibitor in 6 seconds Rip buying it on Eve and sneaking in 8 waves before anyone notices Rip Nasus/Trynda/any splitpusher with it and Zz'Rit hammering on your Nexus turrets at 28 minutes