We have some confusion about reactions on the first turn

Does dragon’s Frightful Presence follows the rules of spellcasting when determining a clear path of effect?

How come giants changed size in 5e compared to 3/4e?

Mirror Image + Invisibility: do the Mirror Images also become Invisible?

Can you move inbetween Flurry of Blows?

Can Barbarians rage during a rage to extend the duration?

Can you use Nystul’s Magic Aura to circumvent attunement requirements on items?

If I used Mirage Arcane to transform a lake of water into a lake of lava…