"I know too much about poisons to do that, but believe me, me and my brother used to have "dare you to eat this" contests back in the day that used to end up with some wild results." And also a lot of time in the bathroom regretting their life choices, but that's what happens when you're a pair of competitive twins.

"As for the herbs, not sure if you're familiar with them or if they're even available here, but-" and he proceeds to list off a couple items, including acorn truffles. "I'll also need water, something to mix it in, and a heat source. Doesn't need to be anything fancy, I'm more'n used to brewin' stuff up by a campfire, and it's all really a matter of getting the plant bits steeped like a tea."