Found in the original 1997 FF7 release, Enemy Skill works a little differently in 2024. You'll need to complete a series of battles in addition to scanning enemies via the Assess materia.
You can get Enemy Skill materia as soon as you meet Chadley and can jump into his combat simulator. After completing 'Biological Intel: Know Thine Enemy,' you'll get the Enemy Skill materia and can start using it immediately with Sonic Boom.
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