The myth of Achilles, but instead of holding him by the heel, Thetis sumberges him fully so that Achilles is completely invulnerable and Thetis has one invulnerable hand.
She only needs one oven mitt when taking cookies out of the oven.
But there would still be two small parts of him that are vulnerable because they were covered by her fingertips at the time, stopping the water from touching them. Which means those fingertips are also vulnerable on her hand
Achilles *putting those little round band-aids on two parts of his ankle before battle*
Thetis *knitting fingertip oven mitts for her thumb and forefinger*
This is a Greek comedy I could get behind
What if she put him in a sack and dunked him in? The water would saturate the sack and soak him and so long as she pulled him out quick, he wouldn't drown. Then they'd have a sack that's invulnerable too and can be used as the most unexpected shield ever.
Imagine Achilles storming Troy with one (1) invulnerable sack for a shield
thetis just sticks him in one of these bad boys
and swirls him around like a batch of chicken nuggets until he’s invulnerable all over.