Exponential Spell Difficulty

Level	KXP	Effect
1	0.8	+1 DC's for spells
2	1.6	+4 DC's for spells
3	3.2	+9 DC's for spells
4	6.4	+16 DC's for spells
5	12.8	+25 DC's for spells
6	25.6	+36 DC's for spells
7	51.2	+49 DC's for spells
8	102.4	+64 DC's for spells
9	160	+81 DC's for spells
10	240	+100 DC's for spells
11	320	+121 DC's for spells
12	400	+144 DC's for spells
13	480	+169 DC's for spells
14	560	+196 DC's for spells
15	640	+225 DC's for spells
16	720	+256 DC's for spells
17	800	+289 DC's for spells
18	880	+324 DC's for spells
19	960	+361 DC's for spells
20	1040	+400 DC's for spells
21	1120	+441 DC's for spells
22	1200	+484 DC's for spells
23	1280	+529 DC's for spells
24	1360	+576 DC's for spells
25	1440	+625 DC's for spells
26	1520	+676 DC's for spells
27	1600	+729 DC's for spells
28	1680	+784 DC's for spells
29	1760	+841 DC's for spells
30	1840	+900 DC's for spells
31	1920	+961 DC's for spells
32	2000	+1024 DC's for spells
33	2080	+1089 DC's for spells
34	2160	+1156 DC's for spells
35	2240	+1225 DC's for spells
36	2320	+1296 DC's for spells

Alternate Effect

+1 DC's for psionic powers

+4 DC's for psionic powers

+9 DC's for psionic powers

+16 DC's for psionic powers

+25 DC's for psionic powers

+36 DC's for psionic powers

+49 DC's for psionic powers

+64 DC's for psionic powers

+81 DC's for psionic powers

+100 DC's for psionic powers

+121 DC's for psionic powers

+144 DC's for psionic powers

+169 DC's for psionic powers

+196 DC's for psionic powers

+225 DC's for psionic powers

+256 DC's for psionic powers

+289 DC's for psionic powers

+324 DC's for psionic powers

+361 DC's for psionic powers

+400 DC's for psionic powers

+441 DC's for psionic powers

+484 DC's for psionic powers

+529 DC's for psionic powers

+576 DC's for psionic powers

+625 DC's for psionic powers

+676 DC's for psionic powers

+729 DC's for psionic powers

+784 DC's for psionic powers

+841 DC's for psionic powers

+900 DC's for psionic powers

+961 DC's for psionic powers

+1024 DC's for psionic powers

+1089 DC's for psionic powers

+1156 DC's for psionic powers

+1225 DC's for psionic powers

+1296 DC's for psionic powers

Each level you take in this overwrites the previous levels bonus to spell DC’s. The alternate is for psionic power DC’s. You can take both versions on the same character.