Here is the full list of all 26 Effie achievements.
Reach the maximum speed surfing.
Defeat Melira at the Temple of the Elder Protectors.
Find all relics in the Temple of the Elder Protectors.
Upgrade Galand's power for the first time.
Get Runestone.
Get all the trophies of Effie.
Defeat Melira at the Temple of Oblena.
Find all relics.
Get all Runestone skills.
Upgrade Galand’s power 6 times.
Open 20 Experience Chests.
Complete the Harmony Obelisks area.
Complete the Fire Hammer Coliseum area.
Complete the Quick Imp area.
Complete the Quiet Rock area.
Complete the Fisher Fish area.
Find all relics in Windmills Town.
Find all relics in Woodborn.
Find all relics in The Vineyards.
Find all relics in the Red Plains of Oblena.
Defeat Melira at Windmills Town.
Defeat Melira at Woodborn.
Defeat Melira at The Vineyards.
Get the Dash skill.
Get the Boomerang skill.
Get the Earthquake skill.