Complex sentence: As an enemy lunges for Alyssa, she can step out of the attacker's range, allowing Aher to step back into the perfect position from which to launch a counterattack with a tackle or a melee weapon.
Split into simpler sentences: As an enemy lunges for Alyssa, she can step out of the attacker's range. This retreating move enables Alyssa to step back into the perfect range at which to counterattack with a tackle or a melee weapon.