Here is the full list of all 24 The Eye of Borrack achievements.
Welcome to the Eye of Borrack
Cross the Chasm
Deposit the Silver Plate
Deposit the Gem
Deposit the Goblet
Deposit the Jewels
Deposit the Necklace
Deposit the Cage
Deposit the Sceptre
Deposit the Emerald
Deposit the Jade Eagle
Deposit the Diamond
Deposit the Painting
Deposit Violin
Deposit Chalice
Deposit the Orchid
Deposit the Crown
Deposit Ruby
Deposit Beads
Deposit the Figurine.
Deposit the Fleece
Complete the Eye of Borrack
Activate Randle
Deposit the Bauble