http://nwn2.wikia.com/wiki/Warlock
Damage reduction 1,2 ect is like the feat barbarian gets at lvling up
Taken from the link above:
Invocations known
Level Feats gained Least Lesser Greater Dark
1 Eldritch Blast 1d6 1 - - -
2 Eldritch Lore 2
3 Eldritch Blast 2d6, Damage reduction 1/cold iron 2 - - -
4 Deceive Item 3 - - -
5 Eldritch Blast 3d6 3 - - -
6 3 1 - -
7 Eldritch Blast 4d6, Damage Reduction 2/Cold Iron 3 1 - -
8 Fiendish Resilience 1 3 2 - -
9 Eldritch blast 5d6 3 2 - -
10 Energy Resistance 5 3 3 - -
11 Eldritch Blast 6d6, Damage Reduction 3/Cold Iron 3 3 1 -
12 Imbue Item* 3 3 1 -
13 Fiendish Resilience 2 3 3 2 -
14 Eldritch blast 7d6 3 3 2 -
15 Damage Reduction 4/Cold Iron 3 3 3 -
16 3 3 3 1
17 Eldritch Blast 8d6 3 3 3 1
18 Fiendish Resilience 5 3 3 3 2
19 Damage Reduction 5/Cold Iron 3 3 3 2
20 Eldritch Blast 9d6, Energy Resistance 10 3 3 3 3
21 3 3 3 3
22 Eldritch Blast 10d6 3 3 3 3
23 Damage Reduction 6/Cold Iron, Bonus Feat 3 3 3 3
24 Eldritch Blast 11d6 3 3 3 3
25 3 3 3 3
26 Eldritch Blast 12d6, Bonus Feat 3 3 3 3
27 Damage Reduction 7/Cold Iron 3 3 3 3
28 Eldritch Blast 13d6 3 3 3 3
29 Bonus Feat 3 3 3 3
30 Eldritch Blast 14d6, Energy Resistance 15 3 3 3 3
