What is the intention between Booming/Green-Flame blades requiring a weapon with a value of at least 1sp, when no weapon has a value below 1sp?

War Caster hitting with Booming Blade when an enemy leaves its reach: can the enemy stop to avoid the extra damage?


Can a Sunblade be used as a Monk Weapon?

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

Does feat apply when using quarterstaff one-handed with shield?

If invisibile, whats the rules for melee targeting & spells?