I was lucky to get invited to the Wet Stuff beta. The asset isn't available yet, but it looks very promising. I've only just started to use it, you can find more experienced video with more features here:
• Wet Stuff - Demo Reel
Assets used:
Wet Stuff
https://assetstore.unity.com/packages...
Malbers Realistic Rabbit
https://www.assetstore.unity3d.com/en...
Turboscalpeur's Ferns:
https://assetstore.unity.com/packages...