Intended build:
+2 to One Ability Score: Half-orc characters gain a +2 bonus to one ability score of their choice at creation to represent their varied nature.
Medium: Half-orcs are Medium creatures and have no bonuses or penalties due to their size.
Normal Speed: Half-orcs have a base speed of 30 feet.
Darkvision: Half-orcs can see in the dark up to 60 feet.
Burning Assurance: Desert half-orcs with this racial trait gain a +2 racial bonus on Diplomacy checks.
Orc Blood: Half-orcs count as both humans and orcs for any effect related to race.
Sacred Tattoo: Half-orcs with this racial trait gain a +1 luck bonus on all saving throws.
City-Raised: City-raised half-orcs are proficient with whips and longswords, and receive a +2 racial bonus on Knowledge (local) checks.
Languages: Half-orcs begin play speaking Common and Orc. Half-orcs with high Intelligence scores can choose from the following: Abyssal, Draconic, Giant, Gnoll, and Goblin.
Feats/Discoveries
1: Point Blank Shot
2: Frost bomb & Precise Bombs (from Grenadier Archetype)
3: Precise Shot
4: Sand Bomb
5: Rapid Shot
6: Alertness/Tumor Familiar
7: Improved Initiative
8: Fast Bombs
9: Extra Discovery/Force Bomb
10: Preserve Organs
11: Extra Discovery/Mummification
12: Greater Mutagen
13: Iron Will
14: Ooze Blight
15: Improved Precise Shot
16: Grand mutagen
17: Extra Discovery/Extend Potion
18: Eternal Potion
19: Toughness
20: True Mutagen
Traits:
1. Fate's Favored
2. Adopted
3. Carefully Hidden
Favored Class Bonus: Alchemist (+1/2 to alchemist bomb damage)
Battle Tactic: Artillery. Bomb enemies to oblivion!
Rough build numbers (assume no magic items, no dexterity mutagen, only assume point blank shot is on):
Level 1: HP: 9, AC 17. BAB 0. Fort 5. Reflex 7. Will 4. Throws one bomb at +4 touch for d6+4 damage. 4 Bombs/day.
Level 2: HP: 15, AC 17. BAB 1. Fort 6. Reflex 8. Will 4. Throws one bomb at +5 touch for 1d6+5 damage. 5 Bombs/day.
Level 3 HP: 21, AC 17. BAB 2. Fort 6. Reflex 8. Will 5. Throws one bomb at +6 touch for 2d6+5 damage. 6 Bombs/day.
Level 4: +1 Int. HP: 27, AC 17. BAB 3. Fort 7. Reflex 9. Will 5. Throws one bomb at +7 touch for 2d6+7 damage. 8 Bombs/day.
Level 5: HP: 33, AC 17. BAB 3. Fort 7. Reflex 9. Will 5. Throws one bomb at +7 touch for 3d6+7 damage. 9 Bombs/day.
Level 6: HP: 39, AC 17. BAB 4. Fort 8. Reflex 10. Will 6. Throws one bomb at +8 touch for 3d6+8 damage. 10 Bombs/day.
Level 7: HP: 45, AC 17. BAB 5. Fort 8. Reflex 10. Will 6. Throws one bomb at +9 touch for 4d6+8 damage. 11 Bombs/day.
Level 8: +1 Dex. HP: 51, AC 18. BAB 6. Fort 9. Reflex 11. Will 6. With Fast Bombs & Rapid Shot, may throw 3 bombs at +8/+8/+3 touch for 4d6+9 damage. Throw 1 bomb at +10 touch for 4d6+8 damage. 12 Bombs/day.
Level 9: HP: 57, AC 18. BAB 6. Fort 9. Reflex 11. Will 7. With Fast Bombs & Rapid Shot, may throw 3 bombs at +8/+8/+3 touch for 5d6+9 damage. Throw 1 bomb at +10 touch for 5d6+9 damage. 13 Bombs/day.
Level 10: HP: 63, AC 18. BAB 7. Fort 10. Reflex 12. Will 7. With Fast Bombs & Rapid Shot, may throw 3 bombs at +9/+9/+4 touch for 5d6+10 damage. Throw 1 bomb at +11 touch for 5d6+10 damage. 14 Bombs/day.
Level 11: HP: 69, AC 18. BAB 8. Fort 10. Reflex 12. Will 7. With Fast Bombs & Rapid Shot, may throw 3 bombs at +10/+10/+5 touch for 6d6+10 damage. Throw 1 bomb at +12 touch for 6d6+10 damage. 15 Bombs/day.
Intended Items:
Weapon - +1 Impervious Adaptive Seeking Composite Longbow
Armor - +1 Deathless Mithral Chain Shirt
Belt - Belt of Mighty Constitution
Body - Alabaster Trapping 3,500gp
Chest - Snakeskin Tunic 8,000gp
Eyes - Eyes of the Eagle 2,500gp
Feet - Boots of the Cat 1,000gp
Hands - Deliquescent Gloves 8,000gp
Head - Buffering Cap 2,000gp
Headband - Headband of Vast Intelligence
Neck - Swarmbane Clasp 3,000gp
Shoulders - Cloak of Resistance
Wrist - Sleeves of Many Garments 200gp
Ioun Stones - Incandescent Blue Sphere (Normal) 8,000gp [+2 WIS]
Slotless - Lantern of Auras 2,000gp & Stone of Good Luck (Luckstone) 20,000gp
Favored Class Bonus: Alchemist (Add +1/2 to the alchemist's bomb damage)