Responsibility

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Just as Aurora expected, it didn't take long for the headmaster to notice that one of the pillar formations had deactivated, meaning Mantis had either betrayed them… or died.

A betrayal made no sense, since if someone at his level was to do so, they wouldn't stop at simply deactivating their tower's formation, and would certainly try to either cause as much damage as possible, or steal what they could find before running away.

Since neither of these had happened, that left only one possibility, which was that someone had managed to kill one of their pillars without them even noticing.

Once that fact was established in his mind, the always confident headmaster couldn't help but feel a chill up his spine.