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Once I was able to activate my own {Demon Aura} by using one of the Demonic Energy Batteries these machines materialize upon their creation, the Skill's special effect was activated, making them much stronger.
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Each Class Special Skills, Abilities, and Magic Spells is further boosted by the Summoner as long as they're within a 300-meter vicinity of the machines and while they have activated a {Demon Aura}, further increasing their Power and Effects by 400% (+40% x Skill Level) and granting any of the machine's attacks a 20% chance to cast [Paralysis] or [Terrible Bleeding] on foes per physical attack.
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With this, not only they had increased power in terms of Skills, Abilities, and their Magic, but they even gained the ability to inflict status effects on our foes.