The description of the fear spell states, in part:
While frightened by this spell, a creature must take the Dash action and move away from you by the safest available route on each of its turns, unless there is nowhere to move.
The description of bonus actions in the Player's Handbook (p. 189) mentions that:
anything that deprives you of your ability to take actions also prevents you from taking a bonus action.
Does the fear spell "deprive you of your ability to take actions", and thereby prevent you from taking bonus actions?
I'm asking cause I've seen people in some games understand it that way. I know it's up to every DM, but what would be the interpretation by RAW?
What is behind this question: I want to figure out if a Sorcerer under the effects of the fear spell could cast any spell as long as he used the Metamagic option Quickened Spell.