Does Christine Guarantee Deliverance?

No. Christine does not guarantee deliverance.

Deliverance is the work of the Holy Spirit through the authority of the name of Jesus Christ. 

Christine is an obedient servant of God who prays and, where appropriate, lays hands and commands in Jesus' name, trusting in the Lord to do His work.

Christine does not perform deliverance through her own power or ability. She ministers through prayer in obedience to God.