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Nicodemus is standing again on the dais, but still immobilized by the poison gas (save ends). Sledge did save you from starting your turn in the gas, which would have caused more damage.
OK, no response from Chris in a few days, so let's just push on. Now that all of you have had a chance to go, it's the monster's turn...but they are all delaying (or readying an action).
So now we go back into our normal initiative style that we generally use. All good guys go in any order, then bad guys, etc. So you can all take another turn now. Go for it!