So now they can confirm that the temple is fishy. I also think the temple did that to test if her core was out still because that could tell them whether she stopped taking the pills or not. If she stopped taking the pills then her power will no longer be suppressed and she could hide her core.
Also the ML probably can not disrespect the temple without proof which is why he let things slide. Besides they really just needed some sort of confirmation that the temple had bad intentions. He couldn't bring up her core as evidence to harm her either because maybe all the priests don't know that her core is on her left wrist. So it would be unwise to reveal that information as it is a matter of life or death.
So now they can confirm that the temple is fishy. I also think the temple did that to test if her core was out still because that could tell them whether she stopped taking the pills or not. If she stopped taking the pills then her power will no longer be suppressed and she could hide her core.
Also the ML probably can not disrespect the temple without proof which is why he let things slide. Besides they really just needed some sort of confirmation that the temple had bad intentions. He couldn't bring up her core as evidence to harm her either because maybe all the priests don't know that her core is on her left wrist. So it would be unwise to reveal that information as it is a matter of life or death.