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will this ball be more effective than an Ultra Ball if tring to catch one of the Pychic Legendary Pokémon? --Bentendo 19:02, 10 May 2007 (UTC)
- Ultra Ball's effectiveness is 2x catch rate. Dusk Ball's effectiveness is 4x if used at night or in a cave. Therefore, Uxie and Azelf will catch the full advantage of the ball all the time. Mesprit, however, roams, so it can be caught outside during the day, leading to a 1x catch rate if used then. If you wait until nighttime, though, to go after it, it'll be 4x. Same for Cresselia, which is also both Psychic and legendary.