How much it increase damage, 1.5x or 2x? and the chance of critical hits, is it 1/10 or what? and how much by super luck increase critical hit ratio? thanks for help, sorry for asking many question...
Already answered: http://pokemondb.net/pokebase/998/how-high-is-a-high-critical-hit-ratio
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http://www.serebii.net/games/criticalhits.shtml