Attributes
STR 14
DEX 16
CON 12
INT 20
WIS 8
CHA 6
Class progression
Lvl 1 Rogue - Spellcasting Prodigy, Survivor (Hide +2, Spot +2) background, +1d6 SA
Lvl 2 Rogue
Lvl 3 Rogue - Two-Weapon Fighting, +1d6 SA
Lvl 4 Wizard - +1 INT, Illusion specialization (Enchantment opposition), Beetle familiar for early survival, later Cat for Hide and MS
Lvl 5 Wizard
Lvl 6 Wizard - Weapon Focus (Dagger)
Lvl 7 Wizard
Lvl 8 Wizard - +1 INT, Extend spell
Lvl 9 Arcane Trickster - Practiced Spellcaster
Lvl 10 Daggerspell Mage - Daggercast
Lvl 11 Daggerspell Mage -
Lvl 12 Daggerspell Mage - +1 DEX, Weapon Finesse, +1d6 SA
Lvl 13 Daggerspell Mage - Arcane Throw
Lvl 14 Daggerspell Mage - Double Daggercast
Lvl 15 Arcane Trickster - +1 INT, Combat Expertise, +1d6 SA
Lvl 16 Arcane Trickster - Impromptu Sneak Attack
Lvl 17 Daggerspell Mage - +1d6 SA
Lvl 18 Daggerspell Mage - Arcane Infusion, Invisible Needle
Lvl 19 Daggerspell Mage - Double Arcane Throw
Lvl 20 Daggerspell Mage - +1 INT, +1d6 SA
Lvl 21 Daggerspell Mage - Improved TWF, FEAT?
Lvl 22 Arcane Trickster - +1d6 SA
Lvl 23 Arcane Trickster - FEAT?
Lvl 24 Arcane Trickster - +1 INT, +1d6 SA
Lvl 25 Arcane Trickster - FEAT?
Lvl 26 Arcane Trickster - +1d6 SA
Lvl 27 Arcane Trickster - FEAT?
Lvl 28 Arcane Trickster - +1 INT, +1d6 SA
Lvl 29 Wizard? - FEAT?
Lvl 30 Wizard?
Total Sneak Attack dice: 10d6
BAB: +17
- Arcane trickster +5
- Rogue +2
- Wizard +3
- Daggerspell Mage +7
Low levels seem to be pretty clear but I have question marks concerning choice of feats. And I don't know about attribute increases - wizards care most about INT, but maybe this should get some +DEX?
CHA is intentionally low (for RP), WIS could maybe be higher but there probably isn't much benefit to this character and it also makes sense as he didn't have any proper role models.
I'd be happy for any and all advice, especially concerning feats
UPDATE: Reordered and added some feats, added BAB overview, removed backstory overview in preparation for bio page.