"Master Amory, can you hand me your spare pipe?"
As Eren inquired of Amory, he subtly infused his voice with his soul sense. The latter said some curse words under his breath before giving Eren what he wanted. The old man then cursed himself for being so easily swayed by his supposed enemy.
The butcher filled Amory's spare pipe with his herbs with the snap of his fingers before lighting the apparatus with his fire-element mana. He inhaled a big dose in one go and turned the herbs into black ash instantly before speaking in a deeper voice.
"Sometimes those with virtuous intentions do us more harm than so-called "evil" people ever could. If you try to give someone an ax to make their woodcutting easy and end up splitting their toe in two by accident, can you expect that person to reward you for your so-called help?