There are a few equipment missing in the game currently.
Below is a list of them:

Armored Forelegs
Feet
Malevolent Mi'go


Blightwater Paddle
Weapon
Blightwater Ferryman


Bristled Breastplate
Chest
Bristlebarb Hag


Draw Bridge
Trinket
Portcullion


Feralfuel Bomb
Weapon
Fueling Station


Gobbler Girdle
Chest
Engorged Gobbler


Grappling Hook
Weapon
Narrow Escape


Nightbloom Trodders
Feet
Nightbloom


Razorboard Battle Axe
Weapon
Razorboard Shredder


Reactive Power Core
Trinket
Blaze of Glory


Robo-Oil
Trinket
Robogoyle


Rose Wilted Dress
Chest
Baroness Floriana


Scuttletux
Chest
Scuttlecrux


Stinger of Mutation
Weapon
Nox Animist

When can we expect these equipment to be available in the game?