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but against a +7 boss
[/ QUOTE ]Why on earth were you fighting a +7 boss?
First off, you should get the power numbers from NoFuture. After that, you should propably calculate the DPS for each attack with 1 recharge and 3 dam, and with 2 recharge and 2 dam, as well as sort the powers for their DPA (Damage per animation).
After that you could make up attack chains with both slottings, constructing the sets so that you'll be attacking non-stop, and repeating your highest DPA attacks as often as possible. Then just compare the damage each chain does over, say, 30 seconds.
To be fair a +7 boss is outside the bounds for most calculations... against +7s the scrapper's attacks will be working at only 8% of their "normal" effectiveness. Powers tail off very quickly against anything over +5, if the boss was even slightly lethal damage resistant then the Scrapper could have a VERY hard time doing enough damage to kill its natural regen rate.
Normally there's no need to slot for endred because of Quick Recovery. Damage output will be pretty much optimal with 3x Damage and 1x Recharge, especially with Hasten in the build. Katana attacks recharge quickly anyway... your big 3 are SOTW, GD and SD... if you take DA and Flashing Steel you'll always have an attack ready to fire, recharge SOs and Hasten are bonuses.
My Kat/Regen has the attack slotting below:
01) --> Sting of the Wasp==> Acc(1) Dmg(3) Dmg(5) Dmg(7) Acc(39)
02) --> Flashing Steel==> Acc(2) Dmg(3) Dmg(5) Dmg(7) Acc(39)
08) --> Divine Avalanche==> Acc(8) Acc(15) Rechg(15) DefBuf(21) DefBuf(21) DefBuf(36)
10) --> Build Up==> Rechg(10) Rechg(13) Rechg(39)
26) --> Soaring Dragon==> Acc(26) Dmg(27) Dmg(27) Dmg(29) Rechg(34) EndRdx(40)
32) --> Golden Dragonfly==> Acc(32) Dmg(33) Dmg(33) Dmg(33) Rechg(34) EndRdx(34)
44) --> Laser Beam Eyes==> Acc(44) Dmg(45) Dmg(45) Dmg(45) Rechg(46) Rechg(46)
47) --> Energy Torrent==> Acc(47) Dmg(48) Dmg(48) Dmg(48) Rechg(50) Rechg(50)
Well, that's how it WOULD be slotted without HOs anyway... 
WITHOUT Hasten running I never need to use DA other than as a survivability buff, one of my other katana attacks is always available. LBE and ET are extra icing on the cake.
Runs Focussed Accuracy (3xEndRed/3xToHit), Integration (3xHeal/1xEndred), Combat Jumping (1xDefbuff) and Sprint (1xJump) pretty much constantly. Hasten is used as soon as it recharges, and clickyheals are used whenever they're needed (no endreds in any of them). He has no endurance issues ever, except when fighting carnies or malta (and even then turning off FA and Sprint will usually sort things out!).
Accuracy is not a big problem for katana scrappers, the -defence from your attacks is noticable when you're attacking flat out. Even when I only had one Acc SO in each of my attacks I could still reliably hit MoG'ed PPs using either Build Up or Focussed Accuracy... both at once was overkill. I only added the extra ACC SOs to SOTW/FS because I ran out of other places to put slots... 
That said, I'd still be very wary of soloing a +7 Boss without a reliable perma-knockdown chain. Divine Avalanche will only really cap your defense against up to +5s, after that i7's defence scaling no longer works.
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[ QUOTE ]
but against a +7 boss
[/ QUOTE ]Why on earth were you fighting a +7 boss?
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Well, it's not a regular occurrence 
Mostly to show him what an empath can really do for you, and as a test.
Bragging rights if it works too. heh heh
Thanks for the advice about NoFuture. I'll definitely check that out! Putting together attack chains.. hmm interesting. Guess that DOES need to be taken into account.
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To be fair a +7 boss is outside the bounds for most calculations... against +7s the scrapper's attacks will be working at only 8% of their "normal" effectiveness. Powers tail off very quickly against anything over +5, if the boss was even slightly lethal damage resistant then the Scrapper could have a VERY hard time doing enough damage to kill its natural regen rate.
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Nice mini-build there Mael, and very good advice / ideas.
My scrapper friend found it very interesting read. Maybe he'll post here soon.
Ok, now that I think about it, my old Katana friend that killed +7 bosses (with help from my empath) might have done that back before ED and definitely before the defence changes.
That being the case, guess I kinda set up my new Katana friend for failure, but hey, he was safe, just couldn't hardly hurt that boss. (for reasons you so eloquently elucidated).
I think he tried slotting 3x damage now to test out, so we'll run by that boss again and see how it goes.
Thanks again for the input!
-Dread (aka Morty)
"Bragging rights if it works too."
Not really... Just wasting your time.
I've solod a +5 boss on my peacebringer.
'Course you have. Just not when Light Form isn't up... 
I've soloed several +5/+6/+7 bosses on my Scrapper before, but after chatting with Morty in-game he revealed that the Boss in question was a Crey Power Tank which have 50% resistance to Lethal damage.
Now I don't know about your Peacebringer, but my Scrapper would certainly have a hard time causing noticeable damage to a +7 Boss under those conditions. 8% power effectiveness I can just about handle (Focussed Accuracy, Build Up and Crits will let me overcome his natural regen) but if that 8% effectiveness is combined with 50% mob resistance to my damage type?
No thanks... I'd get bored trying to tickle him to death.
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I've solod a +5 boss on my peacebringer.
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Like everything else it's possible to Solo +5 bosses, dependant on the Attack Patterns they hit you with.
A PB, WS or even a Defender (examples), CAN solo a +5 boss, depending on what it is up against, as both PB, WS and Defender (examples) have issues with some things they get hit with.
But soloing a +5 boss with a PB is nothing to brag about, in or out of E.D.
Been looking for info for a friend with a Katana/Regen scrapper (lvl 40 now).
We have been discussing the dis/advantages of slotting attacks for recharge or damage.
Told him standard like 2xacc 3xdam 1xrecharge (no endredux needed for Regen I guess)
NumberCrunchers needed... Can anyone suggest a good formula to work out his Damage Per Second/Minute with both slotting schemes?
Or basic opinions on the Advantages / Disadvantages for each from those more experienced?
I'm thinking he'll be better off with 3x damage, but am VERY curious if maybe his 2xrecharge and 1x or 2xdamage is actually better (with 2xacc being constant)
I KNOW he using way more end his way, but he don't mind that. He does have good survivability, but against a +7 boss (with my empath helping) it would have taken him FOREVER to kill. Seen Katana scrappers do it in under 20 min with empath backup.
I call upon the infinite geekdom of those more knowledgeable.
Yours is the superior.
-Dread (aka Morty)