Five of a Kind : All the Ingredients for a Miracle Sudoku

Today's Puzzle:

First feature from Kennet's Dad, a constructor of fairly difficult puzzles whose kindly agreed to create more approachable ones. This is the first solve of the puzzle with a target of 2* rating, right along this channel's viewership!

Link to Play Along:

Five of a Kind by Kennet's Dad https://tinyurl.com/SudokuSleuth5OfAKind

Rules:

Anti-knight, Anti-king, Killer cages, Little killer

Normal sudoku rules apply.

Digits in cells a knight's move apart in chess must not repeat.

Digits in cells a king's move apart in chess must not repeat.

Digits along a marked diagonal must sum to the number given outside the grid.

Digits in a cage must sum to the number given.