Here is the full list of all 33 Ghostlore achievements.
Take the ship.
Open 10 Treasure Chests.
Reach Level 10.
Fill up one food slot.
Reach Pulau Hijawan.
Place 4 different Simple Glyph types into a Compound Glyph.
Listen to what the Master Ghosthunter has to say when you reach Seaport for the first time.
Enter the Hantu Tinggi's Domain.
Reach Level 30.
Reach Level 50.
Reach Hell Gate Level 10.
Reach Hell Gate Level 20.
Reach Hell Gate Level 50.
Fill up three food slots.
Fill up six food slots.
Craft 1 Legendary Item.
Craft 20 Legendary Tier Items.
Craft 100 Legendary Tier Items.
Break down 5 items using Alkahest.
Break down 50 items using Alkahest.
Break down 200 items using Alkahest.
Collect 20 eggs.
Choose your character's second class.
Choose your character's third class.
Try using each weapon type at least once.
Socket 4 gems into a single item.
Have a Legendary Tier Item in all equipment slots
Craft an S+++ Tier Gem.
Place 12 Compound Glyphs into the Glyph Grid.
Open 100 Treasure Chests.
Open 1000 Treasure Chests.
Destroy 1000 crates and barrels.
"Have other players kill 10 enemies with items you sent at the Shrine of Balance."