Level advancement is automatic.  When you reach enough exp points to level
you will automatcilly gain a level.  The amount of exp needed for each
leve is in the table below.

 1:319             2:746             3:1308            4:2043        
 5:2998            6:4233            7:5824            8:7866        
 9:10483          10:13832          11:18113          12:23584       
13:30574          14:39510          15:50939          16:65573       
17:84334          18:108420         19:139400         20:179326      
21:230895         22:297670         23:384362         24:497241      
25:644677         26:837890         27:1091997        28:1427457     
29:1872097        30:2463964        31:3255363        32:4318606     
33:5754270        34:7703104        35:10363397       36:14016388    
37:19063860       38:26084174       39:35916484       40:49788576    
41:69512552       42:97788320       43:138676864      44:198351824   
45:286298912      46:417264736      47:614455808      48:914872512   
49:1378329728     50:2102964096  

See also: score, skills, stats
