Some new Items I have found since last update

3 x Magic Ring = Mega Ring : add 50 seconds to boss fight
3 x Death Chalice = Death Mug : Add 150% Skulls Value
3 x Power Potion = Ultimate Potion : Add 500% to all dps when Bob sleeps
3 x Power Cube = Mega Cube : Add 500% to total dps per white orb.

/u/voiceless_electric_a has also found these 2.

2 x war shard and a prism = Mayhem Shard: 6 x dps
2 x greed shard and a prism = Fortune Shard : 6 x skulls