Killing the monsters with regular guns was initially possible, but as bigger and stronger monsters started emerging from the gates, guns became useless as bullets couldn't penetrate their skin. Even heavy weaponry like atomic nuclear bombs proved to be ineffective since the evolved monsters had high regeneration abilities, so killing only a few monsters through a direct hit was the best these weapons could do. However, the aftermath of those bombs caused more harm to humanity than the monsters themselves, so there was no choice but to run.
Target Beyond the Veil
Action · ulirec
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