Legacy of the Void - The Spear Of Adun - BRUTAL - under 15min walkthrough [1440p]

This is one of the harder brutal mission achievement where you only get very basic units and limited resources to beat the game under 15 min mark (For 'Sprinter Cell' achievement). This is a walkthrough for a player who is trying all achievements only on BRUTAL difficulty.
This mission is difficult since you can only create zealot and stalker with maximum upgrade of 1-1-1 whilst your enemy gets 2-2.
There are no expo location and need to beat the game under 15min mark.