Here is another attempt at 2nd life necro/conj archmage

Notes on this build:

This is the "leveling" build because I wanted to get the web SLA as soon as I could. At 20 I'm going to swap enhancements to take necro as my primary mastery and conj as 2ndary mastery. This will increase the DC on the instakills by 1. Also unless I get some epic wands to play with I would be swapping the 2nd and 3rd tier wand and scroll mastery points into cold potency enhancements.

The build has no toughness but at level 20 with 20 starting con I would get 300 hp with my 45 greensteel, greater false life, and +6 con item. If I feel like I need toughness there is room to swap the enhancement focus and hypnotism SLA for the feat and hp enhancement.

Archmage feats are tight but I think this build plays to the strengths of the PrC. The toon would throw heightened, quickened web and stinking cloud everywhere while popping off max DC instakills whenever the cooldowns were available. Against non-threatening targets there are plenty of SLAs to do relatively mana free damage and against boss mobs there are options in both the fire and acid line with the damage lines giving synergies to meteor swarm and burning blood and overlapping acid rain/firewall. I'm slightly worried about not having enough ap to put into efficiency enhancements for the metas. I'm hoping that since I'm mostly relying on SLAs that will leave points for the occasional maximized firewall or acid rain when they are needed.

I don't have a wizard but I do have the sorc I'm planning to TR so this is all theorycraft. Please let me know if I overlooked anything.

Code:
Character Plan by DDO Character Planner Version 3.9.1
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Level 20 True Neutral Warforged Male
(20 Wizard) 
Hit Points: 200
Spell Points: 1601 
BAB: 10\10\15\20
Fortitude: 11
Reflex: 5
Will: 10

                  Starting          Feat/Enhancement
Abilities        Base Stats          Modified Stats
(34 Point)       (Level 1)             (Level 20)
Strength             10                    10
Dexterity             8                     8
Constitution         20                    20
Intelligence         18                    28
Wisdom                6                     6
Charisma              6                     6

                  Starting          Feat/Enhancement
                 Base Skills         Modified Skills
Skills           (Level 1)            (Level 20)
Balance              -1                    -1
Bluff                -2                    -2
Concentration         5                     8
Diplomacy            -2                    -2
Disable Device        n/a                   n/a
Haggle               -2                    -2
Heal                 -2                    -2
Hide                 -1                    -1
Intimidate           -2                    -2
Jump                  0                     0
Listen               -2                    -2
Move Silently        -1                    -1
Open Lock            n/a                   n/a
Perform              n/a                   n/a
Repair                4                     9
Search                4                     9
Spot                 -2                    -2
Swim                  0                     0
Tumble               n/a                   n/a
Use Magic Device     n/a                   n/a

Level 1 (Wizard)
Feat: (Selected) Greater Spell Focus: Conjuration
Feat: (Past Life) Past Life: Sorcerer
Feat: (Wizard Bonus) Spell Focus: Conjuration


Level 2 (Wizard)


Level 3 (Wizard)
Feat: (Selected) Past Life: Arcane Prodigy


Level 4 (Wizard)


Level 5 (Wizard)
Feat: (Wizard Bonus) Mental Toughness


Level 6 (Wizard)
Feat: (Selected) Spell Focus: Evocation
Enhancement: Improved Concentration I
Enhancement: Improved Concentration II
Enhancement: Acid Manipulation I
Enhancement: Frost Manipulation I
Enhancement: Storm Manipulation I
Enhancement: Flame Manipulation I
Enhancement: Force Manipulation I
Enhancement: Wizard Energy of the Scholar I
Enhancement: Wizard Energy of the Scholar II
Enhancement: Wizard Intelligence I
Enhancement: Wizard Wand and Scroll Mastery I
Enhancement: Warforged Healer's Friend I
Enhancement: Warforged Inscribed Armor I
Enhancement: Wizard Archmage I
Enhancement: Conjuration I - Grease
Enhancement: Evocation I - Magic Missle


Level 7 (Wizard)


Level 8 (Wizard)


Level 9 (Wizard)
Feat: (Selected) Heighten Spell
Enhancement: Wizard Intelligence II
Enhancement: Wizard Wand and Scroll Mastery II
Enhancement: Wizard Wand and Scroll Mastery III
Enhancement: Arcane Bolt
Enhancement: Wizard Archmage II
Enhancement: Archmage Spell Mastery I: Conjuration
Enhancement: Conjuration II - Web


Level 10 (Wizard)
Feat: (Wizard Bonus) Quicken Spell


Level 11 (Wizard)


Level 12 (Wizard)
Feat: (Selected) Maximize Spell
Enhancement: Improved Concentration III
Enhancement: Wizard Energy of the Scholar III
Enhancement: Wizard Intelligence III
Enhancement: Wizard Archmage III
Enhancement: Conjuration III - Stinking Cloud


Level 13 (Wizard)


Level 14 (Wizard)


Level 15 (Wizard)
Feat: (Selected) Greater Spell Focus: Necromancy
Feat: (Wizard Bonus) Spell Focus: Necromancy
Enhancement: Kinetic Spellcasting I
Enhancement: Deadly Kinetics I
Enhancement: Force Manipulation II
Enhancement: Force Manipulation III
Enhancement: Force Manipulation IV
Enhancement: Force Manipulation V
Enhancement: Force Manipulation VI
Enhancement: Force Manipulation VII
Enhancement: Arcane Blast
Enhancement: Wizard Archmage IV
Enhancement: Archmage Secondary Spell Mastery I: Necromancy
Enhancement: Archmage Spell Mastery II: Conjuration
Enhancement: Necromancy I - Chill Touch


Level 16 (Wizard)


Level 17 (Wizard)


Level 18 (Wizard)
Feat: (Selected) Spell Penetration
Enhancement: Kinetic Spellcasting II
Enhancement: Kinetic Spellcasting III


Level 19 (Wizard)


Level 20 (Wizard)
Feat: (Wizard Bonus) Spell Focus: Enchantment
Enhancement: Wizard Master of Magic
Enhancement: Kinetic Spellcasting IV
Enhancement: Kinetic Spellcasting V
Enhancement: Acid Manipulation II
Enhancement: Acid Manipulation III
Enhancement: Acid Manipulation IV
Enhancement: Acid Manipulation V
Enhancement: Acid Manipulation VI
Enhancement: Flame Manipulation II
Enhancement: Flame Manipulation III
Enhancement: Flame Manipulation IV
Enhancement: Flame Manipulation V
Enhancement: Flame Manipulation VI
Enhancement: Flame Manipulation VII
Enhancement: Wizard Spell Penetration I
Enhancement: Enchantment I - Hypnotism