The Ancient Sentry behaves like the Silver and Purple varieties, but it has more HP, and fires slightly faster. Like the other Sentries, it tends to get stuck in corners, and can usually be taken out from a distance or from behind a barrier.

Corrupted Form

Once corrupted by an Address Bomb, it moves away from and fires away from the spot it was corrupted at. It no longer moves toward or fires at Trace, so it's mostly harmless.

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