If oCreature has nFeat, and nFeat is useable, returns the number of remaining uses left.
- The feat number reference from feat.2da to query for remaining uses.
- The creature to query for remaining feat uses.
If oCreature has nFeat, and nFeat is useable, returns the number of remaining uses left or the maximum int value if the feat has unlimited uses (eg FEAT_KNOCKDOWN).
This function was added in 1.86.8193.35 of NWN:EE.