Here a rig I did as personnal work to practice, based on the great model of Olenka Denis :
https://www.artstation.com/artwork/WvWLQ
Free download :
https://cubebrush.co/olenka/products/1tsmhg-IxZj/free-rigged-fantasy-character?view_as_purchased=false
Feel free to try it!! :)
Crocwarrior Rig