Sledge

Sledge is available as a reward for reaching 75 stars in the Expulsion campaign. He can also be obtained by trading in 75 Pieces of Mutagen Formula. These in turn can be obtained by trading in Goliath Slayer (Captured Destroyer) or Armour Breaker (Menno Doomerville tank) convoy marks at the quartermaster, at the rate of 2 marks for 1 formula, or at the Catacombs shop at the price of 36 diary pages for 5 formulas. Sledge attacks with a reasonably long-ranged machine gun which fires in bursts.

Hero experience
Sledge gains levels and skill points as follows, with a maximum level of 30.

Hero training
The benefits and costs of training Sledge at the Hall of Heroes are as follows. This does not include the effects of skins or equipment, which are detailed below. However, the last row in the table shows the maximum hero stats including all equipment at maximum level. Upgrade costs also always include 1 skill point.

Hero skins
Sledge has two skins available:

Hero equipment
Sledge can be equipped with five pieces of equipment, with the following costs and benefits. The benefits listed are already totalled (that is, the net increase in going from level 1 to level 2 of the "Muzzle" is +10 health). All costs listed are in gold.