Meg - Creates Plant Cage w/ Grover

The cry grated against the bones of my middle ear. The flutter of wings echoed from the corridor behind us—or was I hearing multiple birds? Did these things travel in flocks? I had encountered them before. Confound it, I should know this!
“What now?” Meg asked. “Up?”
Grover stared into the gloom above, his mouth hanging open. “This doesn’t make any sense. This shouldn’t be here.”
“Grover!” Meg said. “Up or no?”
“Yes, up!” he yelped. “Up is good!”
“No,” I said, the back of my neck tingling with dread. “We won’t make it. We need to block this corridor.”
Meg frowned. “But—”
“Magic plant stuff!” I shouted. “Hurry!”
One thing I will say for Meg: when you need plant stuff done magically, she’s your girl. She dug into the pouches on her belt, ripped open a packet of seeds, and flung them into the tunnel.
Grover whipped out his panpipe. He played a lively jig to encourage growth as Meg knelt before the seeds, her face scrunched in concentration.
Together, the lord of the Wild and the daughter of Demeter made a super gardening duo. The seeds erupted into tomato plants. Their stems grew, interweaving across the mouth of the tunnel. Leaves unfurled with ultra-speed. Tomatoes swelled into fist-size red fruits. The tunnel was almost closed off when a dark feathery shape burst through a gap in the net.
Talons raked my left cheek as the bird flew past, narrowly missing my eye. The creature circled the room, screeching in triumph, then settled on the spiral ramp ten feet above us, peering down with round gold eyes like searchlights.

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The Burning Maze, Chapter 1