Eureka -

Finish the Stormblood main scenario questline.

Complete "They Call It Eureka" from Galiena in Rhalgar's Reach (X:9.8, Y:12.5).

Use the Magia Board to change elements to increase damage and defense (/magiaauto). Eureka

Which are you starting in? (Anemos, Pagos, Pyros, or Hydatos)

Once I know, I can give you a tailored list of materials to farm! FFXIV: A Guide to Eureka in 2023 Finish the Stormblood main scenario questline

Are you aiming just for (the armor/weapon looks) or for BiS (Best in Slot) stats ?

Complete the Weekly Eureka Challenge Log for massive XP. or Hydatos) Once I know

Unlock Logos Actions in later zones for powerful buffs (Reflect farm is popular for fast leveling).