Can you dual wield hand crossbows or not in 5e?

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?

Would a Warforged get detected by Detect Magic?

Is it possible for a Warlock to lose the support of a Patron? Switch patrons?

Most wall spells describe that you can shape it anyway you want. Wall of fire just states the wall or ring shape. Can you shape the wall like an L for instance?

Wild Magic Barbarian: Wanted to make sure their ability actually uses a d3 or is that a typo?

Does a College of Creations bard have the ability to create spell components or gunpowder with their Performance of Creation ability?