Answer to the last riddle is: Nightcloud!
I was betrayed by my own mother
She gave me to another
I am half clan
And my sister, to the tunnels she ran!
My powers in battle are more powerful than any other cat
I can't be harmed by badger, fox or rat
Answer to this riddle will be in the next chapter! Redwave4 and CheetahpawTheFastest commented the answer of the previous riddle correctly!