*explains the ghost*
"He's going to be you guide on the way, he'll direct you to your next explosive battle, he'll be your constant companion on the way"
What the ghost actually does. - Open doors
English
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he also: - trips alarms - spouts exposition - lets you know when an enemy is in a tank - lets you know when you've woken the Hive - complains during public events - tries too hard to be funny. sorry Dinklebot, you suck.
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He also has a torch that he won't share.
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he doesn't just open doors, he triggers any alarms attached to those doors, too.
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Then pops a bag of popcorn and watches you fight them.
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Don't forget he drops bad one-liners too