Shoni the Shilent is the commander of Gnomeregan's underground assault crew. As well as being a well known combatant, Shoni is also regarded as an avid miner.
She is currently a level 17 quest giver located in the Dwarven District in the human city of Stormwind.
She starts the following quests:
[20] Underground Assault (Dungeon)
[30] Gyrodrillmatic Excavationators (Dungeon)