duno if the difficulty is just out of wack or what but this coin isn't remotely profitable or minable on " average hardware" as far as I can see.
Ravencoin was only CPU mineable in the beginning when there was no GPU miner released yet. Now there are thousands of miners with above average GPUs mining Ravencoin, all sharing a limited amount of block rewards.
You brought a GT 620 to a 1080 Ti farm fight.