Strange Stem

Obtained

 * NPC: Hampric (Grocer)
 * Field: Port Lux, Fort Ruina, Undead Ground, Forgotten Ruin

Used to craft

 * Basic Craft: Mana Condense Potion (Lv 1), Mana Condense Potion (Lv 2), Mana Condense Potion (Lv 3), Extract Potion (INT)