Which are you starting in? (Anemos, Pagos, Pyros, or Hydatos)
Finish the Stormblood main scenario questline.
Buy Kirin’s Osode (physical) or Vermilion Cloak (magical) from the Market Board or exchange items at Kugane Pier #1. Eureka
Join a party for "FATE trains" (Notorious Monsters) for fast leveling and Protean/Anemos crystals.
Unlock Logos Actions in later zones for powerful buffs (Reflect farm is popular for fast leveling). Which are you starting in
Are you aiming just for (the armor/weapon looks) or for BiS (Best in Slot) stats ?
Preparing to enter Eureka in Final Fantasy XIV (Stormblood) requires significant preparation due to its unique mechanics, where level, gear, and stats are synced differently than the rest of the game. Join a party for "FATE trains" (Notorious Monsters)
Speak to Rodney in Kugane (Pier #1) to enter Anemos.