to boot (adverb)

1. The dragon breathed fire, turning the enemy to ash and to boot, it could fly.

2. The artist not only painted an incredible landscape, but to boot, he added a hidden message within the art.

3. He gave her a bouquet of roses and to boot, he wrote her a love letter confessing his feelings.

4. The preacher delivered a powerful sermon, and to boot, he performed a miraculous healing in front of the congregation.