It's a Kamadan.
I recognise the Froghemoth, the Zorbo, the Flail Snail, but not the fourth. It's not a thessalhydra but perhaps something of that ilk?
a rod of seven parts adventure?
Barrier Peaks AP?
Correction: A spaceship-full-of-weird-monsters-and-magiclike-technology-crashes-in-the-Realms AP?