Eternal guardians

D1:Unit gets cover if not moved, advanced
or fell back this battle round.
D2:When enemy unit declares charge against
this unit, if it's not in ER of any enemy units, it can
Hold Steady OR Set to Defend
•If it HS, until the end of the phase Overwatch
is on unmodified 5+.
•If it SoD, until the end of the phase it cannot fire Overwatch, but then until the end of the next fight phase, it has +1 meele attack hit roll.