This profession requires 135 skill points to master, 72 of which go towards prerequisites. XP requirements to master, including prerequisites: * 530,500 Medicine Crafting XP (granted for crafting items in Medic and Bio-Engineer) * 91,000 Scouting XP (granted for harvesting resources from creatures and masking scent) * 170,000 DNA Sampling XP (granted for sampling DNA)