Complex sentence: Though Farnum initially has the upper hand, Abbey and Ghoulia make their entrance, backed up by the Tiki chief who orders the Tiki with Farnum to turn on him.
Split into simpler sentences: Though Farnum initially has the upper hand, Abbey and Ghoulia make their entrance. The Tiki who sided with Abbey and Ghoulia convince the Tiki with Farnum to turn on him.