how or why is 15 fervor ridiculous on a temp ability? Average fervor during a raid will push 2200, 15 isn't even 1% of that.
At the same time adding adbc at 45 and 5million ability mod is kind of pointless as most people will be at the required adbc target during raids and the ability mod is a meh stat increasing an ability by 5million where the ability hits for 20t is nothing, we need to remember that Death March only triggers on killing a npc (10s buff) or the initial 10s buff when you cast it, it is really poor as an ability. the actual mechanics of the buff needs to be changed (vey few raid fights have adds to keep killing while death march is running)
I think this is a fair request to try to improve an ability that is now basically a joke - the standard Master version of Death March (according to eq2u) at level 130 increases fervor by 3.3, dbc cast by 12.6 and HP by 57.7%, tbh if you cast it you don't even notice these increases, the only useful component of it as a 10s immunity from some control effects (if they are blockable as not all of them are) if it works.