Can be the effect of Phantasmal Force a bag on the target’s head which is moving with the target?

Mage Slayer, if caster uses Subtle Metamagic to cast spell, would I know and react to attack him?

Does Blindsight allow you to automatically see creatures using obscurement to hide in order to cause them to lose hidden?

Can Dragon’s Breath be Twinned since it only “targets” one creature?

What specifically does “Melee Weapon Attack” mean?

Assuming I had conjured the mind first, if I’m inside an Otiluke’s Resilisent Sphere, can I still cast spells as if I was in the mind’s space?

In narrative combat how would you handle cone attacks?

Can you elect to not hit a second target with Geen Flame Blade even if one is in range?