What benefits do believers receive from Christ at their death?

Answer

The souls of believers are at their death made perfect in holiness (), and immediately pass into glory (; ; ), and their bodies, being still united to Christ (), rest in their graves () till the resurrection ().

Read the 7 proof texts (KJV)

Hebrews 12:23: To the general assembly and church of the firstborn, which are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect,
Philippians 1:23: For I am in a strait betwixt two, having a desire to depart, and to be with Christ; which is far better:
2 Corinthians 5:8: We are confident, [I say], and willing rather to be absent from the body, and to be present with the Lord.
Luke 23:43: And Jesus said unto him, Verily I say unto thee, To day shalt thou be with me in paradise.
1 Thessalonians 4:14: For if we believe that Jesus died and rose again, even so them also which sleep in Jesus will God bring with him.
Isaiah 57:2: He shall enter into peace: they shall rest in their beds, [each one] walking [in] his uprightness.
Job 19:26: And [though] after my skin [worms] destroy this [body], yet in my flesh shall I see God: