Paper Covered in Slime

(The edges of the torn page are covered in claw prints and crystalline slime. Beside it lies a curiously shaped bone.)
Third Day - Ancient City of Vill
The blue scales found by the roadside weren't from a lizard. Those furry mutts are mimicking the black smoke from our fires. The stinking Mukus are still following us.
When Samir removed his prosthetic eye to soak it in wine, he glimpsed a newly carved spiral symbol on the rock wall, identical to the Diamond Feather Fissure. Damn it, when did Mukus become interested in diamonds?

Fourth Night - Mountain Pass
They've gotten smarter. The Mukus we shook off set half the forest on fire. The shadows dancing in the firelight were as numerous as a swarm of locusts.
The diamond suddenly became searing hot at midnight, burning through the velvet padding. The accompanying adventurer told us to get rid of that thing quickly, saying there was a curse on the diamond.
(The last line of writing is covered by a reddish-brown scab. Visible after scraping it off)
... Moon... Full...