断末魔 だんまつま
dammatsuma

Noun

1. one's last moments; hour of death; death throes; agonies of death

そうです、異常 いじょう おん空冷 くうれいファンの最後 さいご断末魔 だんまつまだったのです。
sōdesu ijō otowa kūrēfanno saigono dammatsumadatta nodesu.
That's right, that strange sound was the final death scream of the cooling fan.
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