The sound of gun shot makes Mika jump to her feet and she then runs over to the stairs and begin to descend. She quickly grabs her mouth to try to block the smell in the air. "What is happening? Why did yoAAAGGHHH!" Mika says as she gets a sight of the bugs.

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standard action to cast mage armor
move action down the stairs
Fortitude against the nausea (1d20+3)[14]