The Others War

Tim kaminski gaints war 4 final2
Final
Tim kaminski gaints war 1
Rough model and lighting
Tim kaminski gaints war 2
Paintover
Tim kaminski gaints war 3
MOAR Paintover
Tim kaminski gaints war 4 final
Final Again

A battlefield lay dormant for ages has been discovered. What war raged here? Was there a winner, or was it all loss.