A condition that a Pokémon card has in which attacks by a certain color Pokémon do more damage to that Pokémon When a Pokémon attacks another Pokémon that has a Weakness to the first Pokémon's color, the amount of damage doen by the attack to the second Pokémon is doubled
The disadvantageous special Descriptor associated with your Omegaed Planet Many Weaknesses tie directly to the Power, and either limit it in some way, negate it under some circumstances, or provide a way to counter it But this need not be the case, and a Weakness could work in any way What is important is that it be somehow exceptional, either in degree or nature, or it would simply be a Flaw Trait
the property of lacking physical or mental strength; liability to failure under pressure or stress or strain; "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed"
If a Pokémon has Weakness, it takes double damage when attacked by Pokémon of a certain other type Weakness is indicated in the lower left-hand corner of the card
a penchant for something even though it might not be good for you; "he has a weakness for chocolate"
The quality or state of being weak; want of strength or firmness; lack of vigor; want of resolution or of moral strength; feebleness
If you have a weakness for something, you like it very much, although this is perhaps surprising or undesirable. Stephen himself had a weakness for cats His one weakness, apart from aeroplanes, is ice cream. see also weak
powerlessness revealed by an inability to act; "in spite of their weakness the group remains highly active"