Spearhead: Kharadron Overlords – Grundstok TrailblazersSpearhead: Kharadron Overlords Grundstok Trailblazers The Grundcorps protect the sky fleets of the great Kharadron empire, but that isn't their only role. For those who can afford their fees, teams of Grundstok Trailblazers make for excellent vanguard troops, capable of locating assets and holding them ahead of the main fleet. If you want to stake your claim on the Mortal Realms, this box is an ideal way to start a new Kharadron Overlords collection