Complex sentence: Additional units include a clan's unique titan that is large beast that have a variety of high damaging attacks but only one can be control at a time, and turrets that can be built across the map to automatically fire upon foes.
Split into simpler sentences: Additional units include a clan's unique titan that is large beast that have a variety of high damaging attacks but only one can be under your control at a time. Turrets can be built across the map to automatically fire upon foes.