The first heirloom drop is also locked across normal/heroic, but separate from flex/LFR. Meaning, the first heirloom you get from LFR is always going to be for your loot spec, same as the first one you get from normal/heroic.
But if you already got a heirloom from normal garrosh, then proceed to kill heroic garrosh for the first time, and get a heirloom, you've already used up your first heirloom drop and you're now picking from the fully random pool.
For the record, I was DW in brm spec/loot and picked up a 1h axe as my first heirloom. Got the staff later on.
Mistweaver - got the int staff. Have also received the healing shield.
Have killed Garrosh dozens of times. was there nearly every kill on normal, bonusrolled a lot, went a few flex runs
result: 0 heirlooms
Holy spec, Prot Loot Spec. Got the exp/mastery sword.
Brewmaster main spec, normal SoO. Had my loot spec set to WW so I wouldn't get the crappy sta trinket on a loot reroll (again).
Got the polearm At least my feral druid has a good weapon now.
mistweaver got the 1h spirit mace
First and only heirloom I've received so far was the 1 handed axe. Brewmaster using a polearm.
I was brewmaster spec on my monk and the only Heirloom i've gotten was the agility one-hander. I was using a staff at the time.
I WISH it had been a two hander, that would've been awesome for an alt. I don't have anything to use the one hander for sadly.
I like ponies and I really don't care what you have to say about that.
Agility Polearm. Sent it to my warrior for the damage since DW is better for WW anyways. Funny how my guild thought I got something really good though.
1x Normal 1x Heroic 2H Axe (Ret Paladin) 1x Normal Bow (Hunter) so far.
1h/oh in mw spec with ww loot, got the agi polearm
I want the agi polearm for my little BrM monk but ive yet to get an heirloom, dont have many garrosh kills mind