Deity's Castle (spoilers)

How do you complete the room that has a blocked treasure chest, four torches that you light and kill the corresponding enemy with water, and three holes with no way of covering them all up except for one with your hole fill spell?

You have to kill the holes in a good time. There are only 2 floor enemies and 3 holes. Kill the first one without waking the back 2 holes. once you have killed it, cover the hole with your spell and then run to the back and kill the second one BEFORE the third hole is uncovered. Then proceed to kill everything else in the room and the puzzle will be complete.

Finally got it. Thanks all that helped!

finally got it, after you kill the bottom one you go up the top right shoot the barrels before hand and when you walk up there you have to be quick enough to kill him before the bushes burn