Complex sentence: Unlike the rogue, most of the ninja's abilities cannot function while encumbered or wearing any type of armour; instead, the ninja relies on wisdom and insight to preemptively dodge any oncoming attacks, a feature shared with the monk.
Split into simpler sentences: Unlike the rogue, most of the ninja's abilities cannot function if encumbered or while wearing any type of armour. Instead, the ninja relies on wisdom and insight to preemptively dodge any oncoming attacks, a feature shared with the monk.