How do we know Christ's temptation fulfills God's plan?

The fulfillment of God's plan through Christ's temptation is evident in that it was ordained by God and not merely a random occurrence. His obedience during temptation exemplifies the righteousness required to redeem humanity. As outlined in Hebrews 2:10, Christ's suffering was necessary to bring many sons to glory, thus ensuring that His experience as a high priest is overarching and understanding of our plight. The event showcases that God's redemptive work is achieved through Christ's perfection and trials, fulfilling the requirements of the Law, making Him our righteousness.