Keywords are: 'thief skill gasbombs bombs' Skill: gasbomb Lvl 36 Thie (28%) (helpful) Requires: frostworks Group: Thief tinkering Profession This skill allows thieves to build grenades that disperse poisons or other liquids. Gasbombs are one of the more effective ways to poison large, aggressive creatures that are too dangerous to confront in other ways. See also 'help build grenades' for more information.