L_xp(i) = fixed_coefficient * (L_xp(i-1) - L_xp(i-2)) + L_xp(i-1) for 12<i<=24 L_xp(i) = (i+level_modifier) * growth_coefficient * (L_xp(i-1) - L_xp(i-2)) + L_xp(i-1) for i>24 level_modifier = fixed_coefficient / growth_coefficient - 25 growth_coefficient = fixed_coefficient / (level_modifier + 25)level_11_exp: