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* [[Demon-killing knife]] – While Alastair had survived being stabbed with the knife twice, it's use still caused him great pain.
* [[Devil's traps]] – As a powerful demon Alastair must be trapped and bound into a special old-Enochian devil's
traps.<ref name="four16" />
* [[Holy water]] – Holy water was shown to burn Alastair weaker and didn't burned his skin like regular demons.<ref name="four16" />
* [[Salt]] – ingestion of salt mixed with holy water was able to cause great discomfort, but didn't broken his will and he has a greater recovered than regular demons.