Along with Patch 4.3 come a lot of new content and rewards for Final Fantasy XIV. In this guide, you will find an overview of the mounts and companions available from 4.3, as well as their locations.
Note: The companion from the new hidden trial has been temporarily removed to avoid spoilers regarding the story. The list may be supplemented in the future with additional finds and info.
Mounts from Patch 4.3

- Lunar Kamuy: From the treasure chest of the new hidden trial (Extreme)

- Security System: Reward for the achievement “On the Front Line” for 100 victories in the daily challenge “PvP Front”

- Red Rabbit: Unknown (likely Moogle Kiosk)

- Magitek Transporter: Reward for the top 100 players at the end of the FEAST Season 7

- Mikoshi: Exchange for 20 Namazuo-Koban (Highest Rank)
Companions from Patch 4.3

- Tsukuyomi Doll: As a bonus item in the Final Fantasy XIV: Stormblood soundtrack

- Zhloe Doll: As a reward from Khloe’s Adventurer’s Album

- Sadu Doll: Weaver Recipe (2 Stars): 1x Spun Yarn, 1x Double Silk, 1x King’s Fern, 1x Dotharl Cloth

- Magnai Doll: Weaver Recipe (2 Stars): 1x Spun Yarn, 1x Double Silk, 1x King’s Fern, 1x Oronir Cloth

- Clockwork Lantern: Exchange for 15000 Wolf Marks

- Monkey King: From a treasure chest in the dungeon “Compass of the Swallow”

- Automaton No. 8: From a treasure chest in the Ridorana raid

- Festival Namazuo: Exchange for 7 Namazuo-Koban (Rank 4)
Hairstyles from Patch 4.3


- From a treasure chest in the dungeon Pillar of Heaven, which will go online with Patch 4.35.

- Exchange for 18000 Wolf Marks
Where you can unlock all quests of Patch 4.3 is detailed in our article:
Final Fantasy XIV: Here’s how you can start with the new quests in 4.3