Is there any canonical instances of time travel in the Forgotten Realms?

How many Masked Lords of Waterdeep can there be at one time?

Do firearms such as muskets, blunderbusses exist in the Forgotten Realms?

Combining Aid

Suggestion spell component

Spellcasting focus. Can a bard use their voice for this?

Does casting a bonus action spell still allow you to cast a normal spell then still get a reaction spell?

Can Careful Spell be used with Cloudkill?