We're on a mission and along the way we have stumbled upon a number of clues to help us solve the mystery that began with Uncle Kai's diary. Below are the things that may - or may not - have something to do with our quest:

"Whispers" in Uncle Kai's Diary
Sae Taz and Velkilor
The Whispering Cairn
The Wind Dukes of Aaqa
Zosiel's Tomb
The Red Death
The Green Worm and a Recipe for Tequila
A Diadem, Black Horns and a Strange Hoop
"The Age of Worms Is Upon Us!"
Auric's Warband of Iguana Shores
A Triple Murder
A Cult Below
Theldrick's Journal
Some Secret Scrolls
"The Way of the Ebon Triad"
The Visions of Grallak Kur
An Ebon Aspect
Allustan's Trip
The Spawn of Kyuss
The Bane of the Lizardfolk
To Find of Friend of Alustan's