"As you can see in the Powers and Skills pages, you need a certain amount of XP to level up each skill or power. The tables given there are the standard ones, assuming you have a 0% XP Bonus. But what is that elusive XP Bonus? It's the best advantage you'll want for all your characters: a discount on the XP price for leveling. Each individual skill or power has its own XP bonus, calculated from the stats that affect it. XP Bonus(es) are usually calculated using any of the available XP Calculators"@en . . . . "It is available in 1, 7, and 30 day durations, and the costs are as follows: \n* 1 Day - 210 Coins \n* 7 Days - 440 Coins \n* 30 Days - 850 Coins"@en . "Experience Bonus"@en . "As you can see in the Powers and Skills pages, you need a certain amount of XP to level up each skill or power. The tables given there are the standard ones, assuming you have a 0% XP Bonus. But what is that elusive XP Bonus? It's the best advantage you'll want for all your characters: a discount on the XP price for leveling. Each individual skill or power has its own XP bonus, calculated from the stats that affect it. XP Bonus(es) are usually calculated using any of the available XP Calculators"@en . . . "It is available in 1, 7, and 30 day durations, and the costs are as follows: \n* 1 Day - 210 Coins \n* 7 Days - 440 Coins \n* 30 Days - 850 Coins"@en . "Increases the amount of experience earned from killing enemies. Bonus Cap: +10%"@en . . "Increases the amount of experience earned from killing enemies. Bonus Cap: +10%"@en .