Slotting a Dark/Stone Tank and having the darndest time

I'm having a hard time figuring out what to prioritize. I'm trying to slot for Defense, especially Ranged and AoE, since Cloak of Fear will give Melee attackers a - ToHit. I've been trying to be mindful of Endurance. But I'm just not sure I'm getting a decent attack chain or doing a general good job.

My first priority on this toon is to make a good survivable taunting tank to protect the team and himself, but I was hoping to eek out an attack chain as well. Any advice, even skipping powers or changing pools would be appreciated.

Hero Plan by Mids' Hero Designer 1.601
http://www.cohplanner.com/

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Talon Earthshaker: Level 50 Magic Tanker
Primary Power Set: Dark Armor
Secondary Power Set: Stone Melee
Power Pool: Leaping
Power Pool: Fitness
Power Pool: Fighting
Power Pool: Leadership
Ancillary Pool: Energy Mastery

Hero Profile:
Level 1: Dark Embrace -- (A)(3)(3)
Level 1: Stone Fist -- (A)(9)(9)(11)
Level 2: Murky Cloud -- (A)(5)(5)
Level 4: Heavy Mallet -- (A)(13)(13)(15)(15)(42)
Level 6: Obsidian Shield -- (A)(7)(7)
Level 8: Dark Regeneration -- (A)(42)(43)(43)(43)(45)
Level 10: Combat Jumping -- (A)(11)(46)
Level 12: Hurdle -- (A)
Level 14: Health -- (A)
Level 16: Cloak of Darkness -- (A)(17)(17)
Level 18: Death Shroud -- (A)(19)(19)(21)(21)(23)
Level 20: Stamina -- (A)(23)(25)
Level 22: Fault -- (A)(25)(27)(27)(29)(29)
Level 24: Boxing -- (A)(46)(46)(50)
Level 26: Oppressive Gloom -- (A)(31)(31)(31)(33)(33)
Level 28: Tough -- (A)(33)(34)
Level 30: Weave -- (A)(34)(34)
Level 32: Maneuvers -- (A)(36)(36)
Level 35: Tremor -- (A)(36)(37)(37)(37)(39)
Level 38: Seismic Smash -- (A)(39)(39)(40)(40)(40)
Level 41: Conserve Power -- (A)(42)
Level 44: Physical Perfection -- (A)(45)(45)
Level 47: Cloak of Fear -- (A)(48)(48)(48)(50)(50)
Level 49: Soul Transfer -- (A)
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Level 1: Brawl -- (A)
Level 1: Sprint -- (A)
Level 2: Rest -- (A)
Level 1: Gauntlet

cohplanner.com is blocked at work so the link won't work for me. Datachunk I can do with Mid's on my portable drive. [Shh, don't tell the boss.]

Here is the data chunk:

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Okay, first of all, frankenslotting your Dark resist toggles to get high levels of end reduction is pointless; especially so since they are all *under*slotted for resistance. I'd 4-slot DE, MC and Tough with a resist set that has useful bonuses; Reactive Armor and Imperv Armor are both good choices.

The amount of end you save by slotting a .21 EPS toggle to 70% end reduction is tiny, but the same can't be said for DA's real end-eaters, Dark Regen, Death Shroud, and Cloak of Fear. Currently, only DS is adequately slotted for end reduction. For both DR and CoF you should concentrate on slotting for accuracy and at least 60% end reduction, the other enhancement types aren't nearly as important, IMO.

Personally, I think slotting a DA tank for typed defense is a better choice, you might want to look at Dechs Kaison's DA build in another current thread to see how he soft-capped S/L/E/NE on his DA/FM. In general, like the resist powers I'd recommend 4-slotting Weave and CoD with a good defense set like LotG or GotA (Serendipity's not a bad choice either) and dropping Maneuvers altogether; it provides about as much defense as CJ at a much, much higher endurance cost.

If you are going to 4-slot a set in Stone Fist and Boxing, either Smashing Haymaker or Kinetic Combat is a better choice, though I'd try to put a fifth slot into an attack that you're going to use on a regular basis.

Again, I think you should consider switching to typed def for a couple of reasons; one, you won't have to 6-slot so many powers, which will free up slots for other things, and two, you can skimp on F/C defense more safely than you can skimp on AoE, and you're more likely to soft-cap when you can concentrate on two bonus types instead of three.