Help needed with Fire/Stone tanker build

Been away for a long time, i need help with my lvl 50 fire/stone tank please. all suggestion greatly appreciated

can any1 please help me? i am having a very hard time understanding mids. i just want a very good build in your opinion thanks in advance

Hero Plan by Mids' Hero Designer 1.707
http://www.cohplanner.com/

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Level 50 Magic Tanker
Primary Power Set: Fiery Aura
Secondary Power Set: Stone Melee
Power Pool: Leaping
Power Pool: Fitness
Power Pool: Fighting
Ancillary Pool: Energy Mastery

Hero Profile:
Level 1: Fire Shield -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(3), RctvArm-ResDam/EndRdx/Rchg(3), RctvArm-ResDam(15), S'fstPrt-ResDam/Def+(46)
Level 1: Stone Fist -- Empty(A)
Level 2: Healing Flames -- Numna-Heal/EndRdx/Rchg(A), Numna-Heal/Rchg(5), Numna-Heal/EndRdx(5), Mrcl-EndRdx/Rchg(11), Mrcl-Heal/Rchg(11), Mrcl-Heal/EndRdx/Rchg(17)
Level 4: Stone Mallet -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(7), KntkC'bat-Dmg/Rchg(7), KntkC'bat-Dmg/EndRdx/Rchg(9), P'ngS'Fest-Acc/Dmg(9), P'ngS'Fest-Dmg/Rchg(17)
Level 6: Combat Jumping -- Krma-ResKB(A)
Level 8: Hurdle -- Jump-I(A)
Level 10: Taunt -- Range-I(A)
Level 12: Plasma Shield -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(13), RctvArm-ResDam/EndRdx/Rchg(13), RctvArm-ResDam(15)
Level 14: Super Jump -- Zephyr-ResKB(A)
Level 16: Health -- Numna-Regen/Rcvry+(A), Numna-Heal(42), Numna-Heal/EndRdx(43), Mrcl-Heal/EndRdx/Rchg(43), Mrcl-Heal(46), Mrcl-Rcvry+(46)
Level 18: Blazing Aura -- M'Strk-Acc/Dmg(A), M'Strk-Dmg/EndRdx(19), M'Strk-Dmg/Rchg(19), M'Strk-Acc/EndRdx(31), M'Strk-Acc/Dmg/EndRdx(31), M'Strk-Dmg/EndRdx/Rchg(33)
Level 20: Stamina -- EndMod-I(A), EndMod-I(21), EndMod-I(21)
Level 22: Fault -- Stpfy-Acc/Rchg(A), Stpfy-EndRdx/Stun(23), Stpfy-Acc/EndRdx(23), Stpfy-Stun/Rng(25), Stpfy-Acc/Stun/Rchg(25), RechRdx-I(40)
Level 24: Boxing -- Empty(A)
Level 26: Tough -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(27), RctvArm-ResDam/EndRdx/Rchg(27), RctvArm-ResDam(33)
Level 28: Weave -- GftotA-Def/EndRdx(A), GftotA-Def/EndRdx/Rchg(29), LkGmblr-Def/EndRdx(29), LkGmblr-Def(31)
Level 30: Fiery Embrace -- RechRdx-I(A), RechRdx-I(34), RechRdx-I(42)
Level 32: Burn -- Oblit-Dmg(A), Oblit-Acc/Rchg(33), Oblit-Dmg/Rchg(34), Oblit-Acc/Dmg/Rchg(34), Oblit-Acc/Dmg/EndRdx/Rchg(37), Oblit-%Dam(42)
Level 35: Tremor -- Oblit-Dmg(A), Oblit-Acc/Rchg(36), Oblit-Dmg/Rchg(36), Oblit-Acc/Dmg/Rchg(36), Oblit-Acc/Dmg/EndRdx/Rchg(37), Oblit-%Dam(37)
Level 38: Seismic Smash -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(39), KntkC'bat-Dmg/Rchg(39), KntkC'bat-Dmg/EndRdx/Rchg(39), P'ngS'Fest-Acc/Dmg(40), P'ngS'Fest-Dmg/Rchg(40)
Level 41: Conserve Power -- RechRdx-I(A), RechRdx-I(43)
Level 44: Physical Perfection -- Heal-I(A), Heal-I(45), EndMod-I(45), EndMod-I(45)
Level 47: Energy Torrent -- Posi-Acc/Dmg(A), Posi-Dmg/EndRdx(48), Posi-Dmg/Rchg(48), Posi-Dmg/Rng(48), Posi-Acc/Dmg/EndRdx(50)
Level 49: Build Up -- RechRdx-I(A), Rec'dRet-Pcptn(50), Rec'dRet-ToHit/Rchg(50)
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Level 1: Brawl -- Empty(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- Empty(A)
Level 1: Gauntlet
Level 4: Ninja Run

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Ice Ember