spoiler:


Items Required: Angler Armour (Only on first access of the quest)
Access "2 Leagues Under The Sea" quest in either Falconreach or
Doomwood dock or in The Locker itself (Aquella owns this quest in the
said location). Then, enter the ship and proceed to the second door
that is unblocked by debris on the main hall. Afterwards, go down at
the stairs and take another screen to the right. Then enter the second
door and proceed to the hole that leads you to a box forts. There is
one small box on the sea bed that requires a combination of numbers.
The combination is 743. The box will open a small shop where the
Summon Gem is located.

spoiler:

Required: Completion of Silkwood Park and subsequent quests.
Access "Mystlyk Museum" from Tomix in Ravenloss. Fight your way
through the quest, making sure to pick up all three horns, two of
which are along the main path and one in the Schematics room. When you
have all three, stop at the statue (two screens from the second
cutscene) and wait. A shop will come up.

spoiler:

Required:
This one is a little long winded. To start, you must go to Hunter's
Paradise, instead of going inside go left and up to Deeproot, follow
the path until you come to a building, when they're click Break the
Seal and enter the building. When in go up, then left to the door.
Then, follow the path Right, ignoring the first two doors, go into the
last door and keep going up, battle the Lich, after winning go into
the side door and on the farthest left bookcase they're is a key,
click it and when a note comes up saying you have the key, leave the
Lich's room and keep going left until you get to the middle door, go
in and then continue left until you come to another door, enter, then
click the candles on the left. Enter the hidden room and go to the
skeleton and a spirit should appear. Once finished, leave the tomb and
go to Verteroche (please note that if you wish you can skip this bit,
the next part is in the second spoiler), leave straight away and go up
one screen to a Well, by clicking the top of the well you can move the
bushes then go down. Open the chest using the combination, Tap,
Wiggle, Nick, Tap. Inside they're is a note, you may want to take note
of the last word. (Continued in Second Spoiler)

spoiler:

Leave for Moonridge, once they're go right until you come to
a water fountain. Click Examine and talk to the well, type in the word
noted previously. (For all who didn't go to the well, highlight the
final spoiler) A shop will come up.

spoiler:

the word is illumina