Can you cast underwater?
Is there alignment restriction for classes in Player's Handbook?
Can you knock a creature out with a melee spell attack?
Can you use a shield with Mage Armor spell?
A monster is immune to damage from nonmagical bludgeoning weapons. Does he still take damage from falling?
If a 5th level wizard casts a Fireball during surprise, do the enemies get disadvantage on their saving throw?
Is a 1 on an ability check an automatic failure?
Can a rogue get sneak attack damage against undead?
If you have a creature between you and the target...
Can you make an attack action from Prone condition?