Mysterious Herb Powder is crafted with Magic Craft in Mabinogi. This page lists everything needed to make it, checked against the game as it exists today. The interactive planner lives in the Magic Craft Companion.
Recipe availability
Mysterious Herb Powder is a rank C Magic Craft recipe with a best success rate of 98% at rank 1 and dan ranks.
Materials
Each craft uses
1× Bloody Herb — Ecology patches (up to 24%), Herbalism in most dungeons, homestead patch
1× Mana Herb — Ecology patches (up to 24%), dungeon patches, homestead patch, synthesis
1× Poison Herb — the bottleneck herb (5–8% patch rate). Homestead patch, synthesis (makes 3), rafting rewards, or auction