The many lairs of hundreds of dragons are scattered about in the walls and titanic buildings dwarfing constructions of humanoid hands serve as the seat of power.
两者均为形容词。断一下句。The many lairs of hundreds of dragons are scattered about in the walls and titanic buildings,(which) dwarfing constructions of humanoid hands serve as the seat of power.
数以百计的巨龙巢穴杂乱地分布在峭壁(墙壁)与以出自类人生物之手的低矮建筑物为地基的巨大无比的高楼之内。