1 Thessalonians 5:23 prays that your entire spirit, soul, and what be kept blameless?

Answer: Body

May God sanctify you completely, and may your entire spirit, soul, and body be kept blameless at the coming of Christ.

“Now may the God of peace Himself sanctify you completely, and may your entire spirit, soul, and body be kept blameless at the coming of our Lord Jesus Christ.”— 1 Thessalonians 5:23 (BSB)