Updated: Dec 4, 2020
The War Commander Fortified Hull require a Level 8 Workshop to be Unlocked.
Benefits of the Fortified Hull : Reduce Incoming Damage from All ( - 20% at Max Level )
554 War Commander FORTIFIED HULL ( Epic Tech ) : Reduces Damage Taken From All War Commander
The War Commander Fortified Hull changed its capacity cost of all levels to 500 in the Game Update of Mar 24, 2016.
The Fortified Hull War Commander was introduced via the Gear Store in the Game Update of Dec 02, 2015.
“ The Fortified Hull component grants the BFG X hardened steel plating reducing incoming Damage by up to 20%. ”
— Gear Store Description
BFG X Schematic