If creature is one more size larger than you and is prone, do you still have disadvantage on ranged attacks?

Acquisitions Inc video series is announced for 2016!

If a spell does 2d6 damage but half if target saves, do ya roll 1d6 or 2d6?

Can a PC attack with a versatile weapon then a draw dagger, extra attack with other hand?

Can a creature concentrate on an Ability and a Spell?