Table 3.4.1: Wizard Experience Levels
Level	Mage/Specialist	Hit Dice (d4)	THAC0	Crit. Hit/Fumble
1	0	1	20	5%/95%
2	2,500	2	20	6%/94%
3	5,000	3	20	7%/93%
4	10,000	4	19	8%/92%
5	20,000	5	19	9%/91%
6	40,000	6	19	10%/90%
7	60,000	7	18	11%/89%
8	90,000	8	18	12%/88%
9	135,000	9	18	13%/87%
10	250,000	10	17	14%/86%
11	375,000	10+1	17	15%/85%
12	750,000	10+2	17	16%/84%
13	1,125,000	10+3	16	17%/83%
14	1,500,000	10+4	16	18%/82%
15	1,875,000	10+5	16	19%/81%
16	2,250,000	10+6	15	20%/80%
17	2,625,000	10+7	15	21%/79%
18	3,000,000	10+8	15	22%/78%
19	3,375,000	10+9	14	23%/77%
20	3,750,000	10+10	14	24%/76%
+375,000 experience points, +1 hit point, per level beyond 20. THAC0 and Critical Hit/Fumble reach maximum at level 20.