Okay. I’m taking the liberty of reordering your post a little in my quotation because this is really the big point that needs to be emphasized.
Ask yourself: does anyone with a brain ever ask this question of Storm/Sentinel? “I would just like to know the big damage combos/moves that Sentinel can provide (besides the good DHC), that would set him above Doom.” Apply that to Storm/Sentinel and the answer becomes obvious in and of itself: the DHC, by itself, makes the whole exercise rather pointless. There is nothing that Doom provides that equals that DHC in practical terms.
I mean, go down the list you gave here… (Which is why I put this stuff after now.)
Which Sentinel can also do for him.
Which only works effectively at very close range.
So you want to take away a combo that, for all practical purposes, will kill whatever it hits, for an unreliable combo that might do 40% damage? Yeah, that makes sense.
Which is really only a trickshot that doesn’t really change a whole lot in terms of matchups.
I mean, stop and look at what you’re really asking? How much chip and infinite damage with Doom do you need before you’re replacing the fact that your first hit will kill someone??? Nobody ever asks this about Storm/Sentinel any more. The idea of taking Sentinel away from Storm in favor of Doom is strategically preposterous on its face. BH/Sentinel/AAA should be considered in basically the exact same light: the sheer amount of damage you’re taking away from yourself in exchange for most anything else just isn’t worth it in just about all practical situations unless you’re simply so efficient at chipping with BH/Doom that it becomes a surrogate for Strider/Doom (which is about the only mindset under which BH/Doom really works). Even at that, I’m not sure I’d consider it a good trade-off.