Here is the full list of all 26 Creature in the Well trophies - there are 8 bronze, 10 silver, 7 gold and 1 platinum.
Find all capes
Enter the Creature's well
Unlock the Weather Control Monolith
Find all the lore
Find the scavenger's hidden stash
Heal a total of 1,000 health absorbed from anomaly balls
Generate a total of 2,000,000 power
Destroy 100 drones using EMPs
Unlock the Support Monoliths
Find a secret strike tool
Generate 1,000 power in one hit
Upgrade your BOT-Core
Activate the Power Reserves
Hit 20 bumpers with one shot
Find a secret charge tool
Get thrown out of the machine
Open the temple
Help Roger mop the floor
Let's play
Try to escape the sandstorm
Unlock all other trophies
Save Mirage from the sandstorm
Charge 7 orbs at once
Fully upgrade the BOT-Core
Find all of Danielle's tools
Find Phillip's prototype