I suggest avoiding Drow; end game they end up with about 40 or so less hp compared to human. On a class that's already short on hp, that's a large chunk. In exchange they get +1 DC and a few more sp. I rolled a WF wiz/rog a while back and love the self-heals. Humans, however, get more skill points which is pretty big for the build. If you have WF consider using one, otherwise humans are a very close second IMO.
Here's a quick build I came up with. Emphasis on quick though so take it with a grain of salt. I went PM with this one even though I went AM with mine. The nice thing about choosing SF:Necro and GSF:Necro is that you can switch easily between both PrE's, but of course it's up to you.
Code:
Character Plan by DDO Character Planner Version 3.7.2
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Level 20 True Neutral Human Male
(2 Rogue \ 18 Wizard)
Hit Points: 226
Spell Points: 1438
BAB: 10\10\15\20
Fortitude: 9
Reflex: 18
Will: 11
Starting Ending Feat/Enhancement
Abilities Base Stats Base Stats Modified Stats
(28 Point) (Level 1) (Level 20) (Level 20)
Strength 14 16 16
Dexterity 8 10 10
Constitution 14 16 17
Intelligence 18 25 28
Wisdom 8 10 10
Charisma 8 10 10
Tomes Used
+1 Tome of Intelligence used at level 3
+2 Tome of Intelligence used at level 7
+2 Tome of Strength used at level 20
+2 Tome of Dexterity used at level 20
+2 Tome of Constitution used at level 20
+2 Tome of Wisdom used at level 20
+2 Tome of Charisma used at level 20
Starting Ending Feat/Enhancement
Base Skills Base Skills Modified Skills
Skills (Level 1) (Level 20) (Level 20)
Balance 3 10 10
Bluff -1 0 0
Concentration 4 26 26
Diplomacy -1 0 0
Disable Device 8 32 33
Haggle 3 4 4
Heal 1 2 2
Hide -1 0 0
Intimidate -1 0 0
Jump 6 7 7
Listen 3 4 4
Move Silently -1 0 0
Open Lock 3 6 6
Perform n/a n/a n/a
Repair 4 9 9
Search 8 32 33
Spot 3 23 24
Swim 6 7 7
Tumble 3 4 4
Use Magic Device 3 23 23
Level 1 (Rogue)
Skill: Balance (+4)
Skill: Concentration (+2)
Skill: Disable Device (+4)
Skill: Haggle (+4)
Skill: Heal (+2)
Skill: Jump (+4)
Skill: Listen (+4)
Skill: Open Lock (+4)
Skill: Search (+4)
Skill: Spot (+4)
Skill: Swim (+4)
Skill: Tumble (+4)
Skill: Use Magic Device (+4)
Feat: (Selected) Insightful Reflexes
Feat: (Human Bonus) Toughness
Level 2 (Wizard)
Skill: Concentration (+3)
Skill: Disable Device (+1)
Skill: Search (+1)
Feat: (Wizard Bonus) Extend Spell
Level 3 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Use Magic Device (+1)
Feat: (Selected) Mental Toughness
Level 4 (Wizard)
Ability Raise: INT
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Use Magic Device (+1.5)
Level 5 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Use Magic Device (+1.5)
Level 6 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+0.5)
Skill: Use Magic Device (+1)
Feat: (Selected) Augment Summoning
Feat: (Wizard Bonus) Spell Focus: Necromancy
Level 7 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+0.5)
Skill: Use Magic Device (+1)
Level 8 (Wizard)
Ability Raise: INT
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Level 9 (Rogue)
Skill: Balance (+6)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+6)
Skill: Use Magic Device (+1)
Feat: (Selected) Maximize Spell
Level 10 (Wizard)
Skill: Concentration (+2)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+0.5)
Skill: Use Magic Device (+1)
Level 11 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Level 12 (Wizard)
Ability Raise: INT
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Feat: (Wizard Bonus) Empower Spell
Feat: (Selected) Greater Spell Focus: Necromancy
Level 13 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Level 14 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Level 15 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Feat: (Selected) Heighten Spell
Level 16 (Wizard)
Ability Raise: INT
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Search (+1)
Skill: Spot (+1.5)
Skill: Use Magic Device (+1)
Level 17 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Open Lock (+0.5)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Feat: (Wizard Bonus) Quicken Spell
Level 18 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Open Lock (+0.5)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Feat: (Selected) Spell Penetration
Level 19 (Wizard)
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Open Lock (+0.5)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Level 20 (Wizard)
Ability Raise: INT
Skill: Concentration (+1)
Skill: Disable Device (+1)
Skill: Open Lock (+0.5)
Skill: Search (+1)
Skill: Spot (+1)
Skill: Use Magic Device (+1)
Enhancement: Rogue Haste Boost I
Enhancement: Human Adaptability Constitution I
Enhancement: Human Versatility I
Enhancement: Wizard Improved Empowering I
Enhancement: Wizard Improved Empowering II
Enhancement: Wizard Improved Maximizing I
Enhancement: Wizard Improved Maximizing II
Enhancement: Racial Toughness I
Enhancement: Racial Toughness II
Enhancement: Rogue Sneak Attack Training I
Enhancement: Improved Disable Device I
Enhancement: Improved Search I
Enhancement: Improved Spot I
Enhancement: Wizard Lineage of Elements I
Enhancement: Wizard Lineage of Elements II
Enhancement: Wizard Lineage of Elements III
Enhancement: Wizard Lineage of Deadly Elements I
Enhancement: Wizard Lineage of Deadly Elements II
Enhancement: Wizard Lineage of Deadly Elements III
Enhancement: Wizard Elemental Manipulation I
Enhancement: Wizard Elemental Manipulation II
Enhancement: Wizard Elemental Manipulation III
Enhancement: Wizard Elemental Manipulation IV
Enhancement: Wizard Spell Penetration I
Enhancement: Wizard Energy of the Scholar I
Enhancement: Wizard Energy of the Scholar II
Enhancement: Wizard Energy of the Scholar III
Enhancement: Wizard Intelligence I
Enhancement: Wizard Intelligence II
Enhancement: Wizard Intelligence III
Enhancement: Shroud of the Lich
Enhancement: Wizard Pale Master I
Enhancement: Wizard Pale Master II
Enhancement: Wizard Pale Master III
Enhancement: Summon Blackbone Knight
Enhancement: Summon Frostmarrow Knight
Enhancement: Summon Skeletal Knight
For a 28 point build I would recommend the following on a human:
Str 14 - This helps lets you jump into melee during the early levels before casters come into their own.
Dex 8 - AC isn't big on a wiz and Insightful Reflexes feat uses Int for Reflex anyway
Con 14 - You probably already know but it's worth mentioning; Con is not a dump stat.
Int 18 - max this out, of course
Wis 8 - Dump stat
Cha 8 - Dump stat
Tier 1 skills - Max out Concentration, Search, and Disable device
Tier 2 skills - Choose between UMD and Spot. Max one, get the other as high as possible.
Tier 3 - Get a mod of 10 in jump by lvl 20. Get a mod in the low teens in balance. Open Lock is nice to boost if you have spare skill points, but Knock or minimum ranks work well enough since you can't critically fail a lock.
Other feats to consider instead of the ones I chose:
Lightning Reflexes for more evaded AoE's.
Skill Focus UMD since you can never have too much UMD.
Greater Spell Penetration.
Spell Focus Ench so you can try out AM (Hypno SLA is awesome!)
Hope this helps.