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# Experience and leveling up

Winning a duel grants experience. At certain amounts of experience collected, players will level up, which in turn can unlock new things (see the unlocking article for more info). The amount of experience gained generally depends on the difficulty of the opponent that's being duelled.

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# Experience gain

The base amount gained starts off at 10 times the difficulty level of the opponent. However, if the player's level is below that of the opponent, the base amount is 10 times the level of the player. In both cases, if the level used to calculate the base amount is zero, the base amount will be set to 10 (i.e. the same as if the level had been 1).

The amount will be further modified based on player level and opponent difficulty level.

If player level is below opponent level, the base amount gets a bonus of X%, equal to twice opponent level minus player level.

If player level is higher than that of the opponent, the base amount receives a penalty of X%, equal to half the player level minus the opponent level.

Ambush event game modes will further modify the result of the above calculations. If a player wins an ambush event for the first time, there will be a 50% bonus to the above amount, but if the event has already been completed, additional battles will come with a 50% penalty to the above amount.

Finally, the amount above is rounded to the nearest integer, and the game will make sure it can't drop below 1.

Gaining experience is still possible when you have been defeated. The experience gained will be maximum 25% of the base amount, and is determined by the performance of the player in the duel (the amount of damage dealt to the opposing base, the number of ship and structure kills).

# Examples

A level 10 player duels an opponent whose difficulty level is set to 10. The base amount is 10 * 10 = 100. Since both players have the same level, the final amount will be 100 xp if the player wins.

If a level 10 player faces a level 15 opponent, the base amount is again 10 * 10 = 100, but there will be a 10% bonus, thus the final amount will be 110 xp.

If a level 15 player faces a level 10 opponent, the base amount is again 10 * 10 = 100, but there will be a 2.5% penalty, thus the final amount will be 97.5 xp, which will be rounded to 98 xp.

# Gaining levels

Players start off at level 0, and 25 xp is needed to reach the next level. The max level that can be reached is 120.

Between level 1 and level 79, the xp gained to reach the next level rises slowly, and is given by this formula :

current level * 10 * (3 + current level * 0.25)

Between level 80 and 119, the xp gained to reach the next level will rise much faster, and is given by this formula :

current level * 10 * (22 + (current level - 79) * 3)

A level 10 player will need 10 * 10 * (3 + 10 * 0.25) = 550 xp to reach level 11. If such a player duels exclusively opponents of difficulty level 10 (granting 100 xp per battle won), this player will need 6 battles to level up.

A level 30 player will need 30 * 10 * (3 + 30 * 0.25) = 3150 xp to reach level 31. If such a player duels exclusively opponents of difficulty level 30 (granting 300 xp per battle won), this player will need 11 battles to level up.

A level 90 player will need 90 * 10 * (22 + (90 - 79) * 3) = 49500 xp to reach level 91. If such a player duels exclusively opponents of difficulty level 90 (granting 900 xp per battle won), this player will need 55 battles to level up.

The table below shows approximately the amount of xp needed to reach the next level as well as the total battles needed for a new player, assuming that player only fights opponents of the same level.

current | xp to next | battles |
---|---|---|

10 | 550 | 41 |

20 | 1600 | 108 |

30 | 3150 | 199 |

40 | 5200 | 315 |

50 | 7750 | 456 |

60 | 10800 | 623 |

70 | 14350 | 814 |

80 | 20000 | 1030 |

90 | 49500 | 1415 |

100 | 85000 | 2100 |

110 | 126500 | 3200 |

119 | 168980 | 4228 |