[An Earthquake...? He seems to mull it over for a moment]
...My bubbles aren't strong enough for that. [Then he stops running] But I know what is.
[He turns around to face the direction they'd be running from. He concentrates for a long moment, before there's a flash of blue light. Then, about 20 feet down that tunnel, the earth shakes as several spikes of rock rise out of the ground. An unlucky rat gets impaled by a spike, while the rest scatter at the quaking earth.
After a moment, the spikes go back into the ground with one last rumble, leaving just the disturbed earth and dead rat behind]
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...My bubbles aren't strong enough for that. [Then he stops running] But I know what is.
[He turns around to face the direction they'd be running from. He concentrates for a long moment, before there's a flash of blue light. Then, about 20 feet down that tunnel, the earth shakes as several spikes of rock rise out of the ground. An unlucky rat gets impaled by a spike, while the rest scatter at the quaking earth.
After a moment, the spikes go back into the ground with one last rumble, leaving just the disturbed earth and dead rat behind]