Alpha: #Metroid Creatures in #Sudoku, how?

Today's Puzzle:

A tougher one than usual for the weekend with another Metroid series from B.PEN!

Link to Play Along:

Alpha by B.PEN https://tinyurl.com/SudokuSleuthAlpha

Rules:

Normal sudoku rules apply. Digits cannot repeat within a cage.

Normal thermo sudoku rules apply.

Normal kropki dots sudoku rules apply. Not all dots are given.

"The Alpha Metroid has gained immunity to cold temperatures. The loss of several nuclei within its green membrane has left it vulnerable to concussive weaponry. A plated exoskeleton partially covers it."