Minor illusion S M

You create a sound or an image o f an object
within range that lasts for the duration. The
illusion also ends if you dismiss it as an action
or cast this spell again. If a creature uses its action
to examine the sound or image, the creature can
determine that it is an illusion with a successful
Intelligence (Investigation) check against your spell
save DC. If a creature discerns the illusion for what it
is, the illusion becomes faint to