Complex sentence: In keeping with the genre there is a great show of quite outrageous verbal dexterity and invention by both combatants; each makar eventually builds up to a spectacular climax involving doubling and tripling of rhymes and much-intensified alliteration.
Split into simpler sentences: In keeping with the genre there is a great show of outrageous verbal dexterity and invention by both combatants. Each makar eventually closes their performance with a showy verbal climax involving doubling and tripling of rhymes and much-intensified alliteration.