After Daimon kept the badge, he accommodated the hand of the corpse so that the wound wasn't visible, he also inclined the corpse to the side, before he scrapped some of the poison on the weapons that were stabbing it, and spread it on his arm, so that it slid all the way down until it reached the wound, making the skin swell and changed its color successfully blocking the wound making it look as if the poison had corroded the flesh.
The girls od course knew Daimon was doing it so that others wouldn't notice he took something from the corpse, and while the Risha sisters knew Daimon has already gone through one of the hardest lessons in life… in other words killing, as he previously asked their mothers to teach them about it, before the exploration started, Mellie was a bit surprised to see how calmly Daimon dealt with a corpse.
"Say Daimon, is your native planet too wild or…", she asked with a somewhat curious voice.