When the mc went to poison valley and pretended to be an elder sent by the poison guild headquarters that is supposed to choose the next branch leader but almost got caught when the real one came and pretended to be the master of the master of the real elder and gave an advice how the elder can breakthrough because he is almost dying and because the elder wants revenge. Sorry guys but I tried finding it. thank you in advance. Next time I'll mark the last chapter so that I won't bother you guys again.