Hey Guest! Ever feel like entering a Game Jam, but the time limit is always too much pressure? We get it... You lead a hectic life and dedicating 3 whole days to make a game just doesn't work for you! So, why not enter the GMC SLOW JAM? Take your time! Kick back and make your game over 4 months! Interested? Then just click here!
HeartBeast and Shaun Spalding have amazing YouTube tutorials.
The HeartBeast video already linked is great for starting an RPG and has a basic melee attack build in that can be changed to fit your needs.
It doesn't have shields, but it shouldn't be too hard to fit in.