Armando demonstrates his new powers for Izdahl, in The Architect’s Guardian, Chapter 39. Here’s an excerpt:
Izdahl felt his energy suddenly dip severely and he struggled to stay in the air. Armando gave him a feral grin. Izdahl laughed softly, defiantly beginning to enjoy himself. He rarely saw Armando this agitated and the architect’s arrogance brought out the mischief in him.