Battle of Five Armies

So began a battle that none had expected; and it was called the Battle of Five Armies, and it was very terrible. Upon one side were the Goblins and the Wild Wolves, and upon the other were Elves and Men and Dwarves. The elves were the first to charge. Their hatred for the goblins is cold and bitter. Their spears and swords shone in the gloom with a gleam of chill flame, so deadly was the wrath of the hands that held them.

Normal sudoku rules apply.

Begin by filling in the "Arken" and "Stone" cages with the corresponding digits from the previous puzzle.

Digits in cages do not repeat.

Digits in "boulder" (grey) cells are SMALLER than digits in all orthogonally adjacent non-grey cells.

Digits separated by a white dot differ by the amount shown.