Complex sentence: The battle continues as the Monster Warriors work from their new hide-out--a deserted bomb shelter beneath Luke's house--the newly outfitted warriors get caught in the battle between Von Steinhauer and the new Mystery Monster Maker.
Split into simpler sentences: The battle continues as the Monster Warriors work from their new hide-out: a deserted bomb shelter beneath Luke's house. The newly outfitted warriors get caught in the battle between Von Steinhauer and the new Mystery Monster Maker.