Just to throw another wrench into things :)
The skill DC mechanic is pretty close to 10 + 1/2 level of the challenge for an easy DC, 15 + 1/2 level of the challenge for a moderate and 20 + 1/2 level of the challenge for difficult.
The nice thing is that almost EVERYTHING else in 4th edition...
Yeah, I think the Errata has an error in it.. The DCs for a skill check should be +5 more than the DCs for an attribute check. The errata has them at the same level. I think the intent was to reduce the DCs by 5 across the board which gets you back to the DC levels I put in my post (except...
DC for an easy skill roll at 12th level is 17, not 10.
Moderate is 21, Hard is 25.
The table is on page 61 of the DMs guide. Subtract 5 from the values listed per the errata. The values are too high as printed in the manual.
Also, you should get the errata on skill challenges from the WotC...
Rob's Simple Skill Challenge Rules.
1) All skill rolls for a skill challenge should have a DC equal to 15 + level/2. For example, a level 4 challenge should have skill DCs of 15+4/2 = DC 17. The level/2 rule is everywhere in DnD so why not here? In fact, as a general rule you can set any...