Complex sentence: Many of these secondary effects include a chance that the move will induce a certain status effect (Paralysis, Burn, Freeze, Poison, or Sleep), which negatively affects how the afflicted Pokémon performs in battle.
Split into simpler sentences: Many of these secondary effects include a chance that the move will induce a certain:,,,, or. Each negatively affects how the afflicted Pokémon performs in battle.