Damage Resistance

From the Web Addendum vol. 1:

Damage Accumulation Creatures

There are Characters and creatures that, because of their size and
nature, are unable to defend themselves from attacks in a conventional
way. In contrast, they use their vast damage resistance to support impacts
that would devastate other units. These units are called Accumulation
units, and, unlike other characters, they can’t use Action Points to
Dodge attacks or Counterattack. They always defend using their basic
Defense attribute. An accumulation miniature never loses its actions due
to damage caused by a Fall or Crash.