Answer to the last riddle is: Willowshine!

I thought I loved him

Yet he turned out to be darker than I thought

One of my kits drowned

Another went to the dark forest

I was abandoned

I don't where my kits are

Who am I?

Answer will be in the next chapter! mangotehrainwing, HashtagMaker, BrambleStar4EVA, ravenleaf2011 and Dusknose_medcat commented the answer to the last riddle correctly!