Choose bonus:
1 x ERIS, FLYCATCHER, HERETIC, SABRE, ENYO, HARPY, HAWK, ISHKUR, JAGUAR, RETRIBUTION, VENGEANCE, WOLF, ANATHEMA, BUZZARD, CHEETAH, HELIOS, HOUND, MANTICORE, NEMESIS, PURIFIER, HYENA, KERES, KITSUNE, SENTINEL, ARES, CLAW, CROW, CRUSADER, MALEDICTION, RAPTOR, STILETTO, TARANIS, BRUTIX, CYCLONE, DRAKE, FEROX, HARBINGER, HURRICANE, MYRMIDON, NAGA, ORACLE, PROPHECY, TALOS, TORNADO, GNOS
Interesting products of skill extractors:
10 x Skill Extractor + bonus
30 x Skill Extractor + bonus
50 x Skill Extractor + bonus
100 x Skill Extractor + bonus