An unexpected surprise

Grenada Reconquest- Pyrenes, 3rd moon of Grenada- Pyrenes Campaign- DM station 32- task force 5-  No sooner had the Kharkovian guardsmen of task force five advanced past the slain Stygian guardsmen the Dark Mechanicus sprung a trap releasing Dark Kastellan robots filled with daemonic war spirits upon the advancing Imperials.  The infantry were the first to run into this unexpected surprise and began to fall back.