Mounts! Must have!

Mounts obtained by Achievement Rewards
These are obtained for completing achievements.

Black Chocobo - Complete the Lv. 50 Heavensward Main Scenario quest "Divine Intervention".
Flame Warsteed - Reward for getting the achievement "A Line in the Sand IV" by winning 100 Frontlines as a member of the Immortal Flames.
Gilded Magitek Armork - Receive 500 player commendations.
Logistics System - Reward for getting the achievement "Behind Enemy Lines" by winning 200 Frontlines for any Grand Company.
Parade Chocobo - Reward for getting the achievement "Leaving a Better Impression II" by obtaining 3,000 player commendations.
Serpent Warsteed - Reward for getting the achievement "A Line in the Glade IV" by winning 100 Frontlines as a member of the Order of the Twin Adder.
Storm Warsteed - Reward for getting the achievement "A Line in the Storm IV" by winning 100 Frontlines as a member of the Maelstrom.
Warbear - Obtain "But Somebody's Gotta Do It (Warrior)" achievement by completing 200 high-level full party duties as a warrior.
Warlion - Obtain "But Somebody's Gotta Do It (Paladin)" achievement by completing 200 high-level full party duties as a paladin.
War Panther - Obtain "But Somebody's Gotta Do It (Dark Knight)" achievement by completing 200 high-level full party duties as a Dark Knight.


Mounts obtained by Dungeons & Trials
These are obtained inside the various Dungeons and combat Trials (eg: Primals) of the world.

Aithon - Drops as reward from Bowl of Embers (Extreme).
Boreas - Drops as reward from The Akh Afah Amphitheatre (Extreme).
Enbarr - Drops as reward from The Whorleater (Extreme).
Gobwalker - Obtained as loot from clearing the raid "Alexander - The Burden of the Father" (Savage).
Gullfaxi - Drops as reward from The Navel (Extreme).
Markab - Drops as reward from The Striking Tree (Extreme).
Nightmare - Drops from Extreme Mode Garuda, Titan or Ifrit Primal fights.
Xanthos - Drops as reward from The Howling Eye (Extreme).


Mounts obtained by Gil Purchase
These are purchased via gil from Vendors.

Bomb Palanquin - Purchased from Kobold Vendor (upon reaching 'Trusted' reputation) at Outer La Noscea X:21, Y:17 for 120,000 gil.
Cavalry Drake - Purchased from Amalj'aa Vendor (upon reaching 'Trusted' reputation) at Southern Thanalan X:23, Y:14 for 120,000 gil.
Cavalry Elbst - Purchased from Sahagin Vendor (upon reaching 'Trusted' reputation) at Western La Noscea X:16, Y:22 for 120,000 gil.
Direwolf - Purchased from Ixali Trader (upon reaching 'Trusted' reputation) at North Shroud X:24, Y:22 for 120,000 gil.
Laurel Goobbue - Purchased from Sylphic Vendor (upon reaching 'Trusted' reputation) at East Shroud X:22, Y:26 for 120,000 gil.


Mounts obtained by Gold Saucer
These are purchased via MGP from a Gold Saucer Vendor.

Adamantoise - Purchase for 200,000 MGP at the Manderville Gold Saucer.
Fenrir - Purchase for 1,000,000 MGP at the Manderville Gold Saucer.


Mounts obtained by Grand Company
Obtained through your Grand Company.

Company Chocobo - Purchase a Chocobo License from your Grand Company. (Lvl 20)


Mounts obtained by Legacy
These are obtained for completing achievements.

Goobbue - Given to 1.0 players who reached level 20 and completed a quest from the Wandering Minstrel.


Mounts obtained by Promotions
These are obtained by use of promotional codes or through promotional campaigns.

Amber Draught Chocobo - Obtained as reward through the "Recruit a Friend" campaign.
Coeurl - Was included as a digital item as part of the Collector's Edition.
Draught Chocobo - Obtained as reward through the "Recruit a Friend" campaign. Given when your friend subscribes for 90 days.
Fat Chocobo - Obtained from purchasing and registering a Collector's Edition. (Released with PS4 version.)
Griffin - Obtained from purchasing and registering a Collector's Edition of Heavensward.
Legacy Chocobo - Reward for player who obtained "Legacy Status" during 1.0's Legacy Campaign
Twintania - Obtained as reward through the "Recruit a Friend" campaign by obtaining and spending 15 gold chocobo feathers.


Quest Rewards
Obtained through your Grand Company.

Kirin - Complete the "A Legend for a Legend" quest from the Wandering Minstrel in Mor Dhona. To obtain quest, you must first collect the following mounts: Aithon, Boreas, Enbarr, Gullfaxi, Markab, Xanthos
Magitek Armor - Reward for completing the Main Scenario quest "The Ultimate Weapon." (The end of story from version 2.0)
Manacutter - Complete the Lv. 55 Heavensward Main Scenario quest "Into the Aery".
Midgardsormr - Obtain as part of Heavensward Main Scenario.
Unicorn - Reward for completing a CNJ quest after you have completed the level 30 Conjurer Class quest.


Mounts obtained by Veteran Rewards
These are obtained by paying for consecutive game time.

Ahriman - Veteran Reward for subscribing for 90 cumulative days (3 months).
Behemoth - This mount can be obtained by having an paid accumulative subscription of 270 days. (About 9 months)