My d20 CoC Deep Ones' conversion:
Name: Deep One
Size/Type: Medium Aberration (Lesser Servitor Race)
Hit Dice: 2d8+4 ( 13 hp)
Initiative: +2 (+2 Dex)
Speed: 20 ft.; swim 40’ ( 4 squares; 8 squares swim)
DV: 11 (+1 Dex)
DR: 4
Base Attack/Grapple: +1 / +6
Attack: claw +5 (1d4+4)
Full Attack: 2 claws +5 (1d4+4), bite +0 (2d4+2) (on land); 2 claws +5 (1d4+4), 2 rakes +5 (2d4+4), bite +0 (2d4+2) (in water); longspear +5 (2d4+6, AP 6)
Space/Reach: 5 ft./ 5 ft. (10’ with spear)
Special Attacks:
Special Qualities: Low-light vision
Saves: Fort +2, Ref +2, Will +3
Abilities: Str 19, Dex 15, Con 14, Int 11, Wis 10, Cha 6
Skills: Climb +10, Hide +7*, Listen +7*, Move Silently +5, Spot +7*
Feats: Alertness
Environment: Temperate & warm aquatic
Advancement: 3-6 HD (Medium); 7-13 HD (Large); 14-26 HD (Huge)
Special Attacks/Qualities: *+4 racial bonus underwater
Name: Deep One, Advanced
Size/Type: Large Aberration (Lesser Servitor Race)
Hit Dice: 7d8+28 (57 hp)
Initiative: +2 (+1 Dex, +1 Reflex)
Speed: 20 ft.; swim 40’ ( 4 squares; 8 squares swim)
DV: 12 (+1 Dex, +2 class, -1 size)
DR: 6
Base Attack/Grapple: +5 / +15
Attack: claw +12 (1d4+8)
Full Attack: 2 claws +12 (1d4+8), bite +7 (2d4+4) (on land); 2 claws +12 (1d4+8), 2 rakes +12 (2d4+8), bite +7 (2d4+4) (in water); longspear +12 (2d4+12, AP 10)
Space/Reach: 5 ft./ 10 ft. (15’ with spear)
Special Attacks:
Special Qualities: Low-light vision
Saves: Fort +5, Ref +2, Will +6
Abilities: Str 27, Dex 13, Con 18, Int 11, Wis 10, Cha 7
Skills: Climb +16, Hide +4*, Listen +9*, Move Silently +6, Spot +9*
Feats: Alertness, Power Attack, Cleave
Environment: Temperate & warm aquatic
Advancement: 3-6 HD (Medium); 7-13 HD (Large); 14-26 HD (Huge)
Special Attacks/Qualities: *+4 racial bonus underwater
Name: Deep One
Size/Type: Medium Aberration (Lesser Servitor Race)
Hit Dice: 2d8+4 ( 13 hp)
Initiative: +2 (+2 Dex)
Speed: 20 ft.; swim 40’ ( 4 squares; 8 squares swim)
DV: 11 (+1 Dex)
DR: 4
Base Attack/Grapple: +1 / +6
Attack: claw +5 (1d4+4)
Full Attack: 2 claws +5 (1d4+4), bite +0 (2d4+2) (on land); 2 claws +5 (1d4+4), 2 rakes +5 (2d4+4), bite +0 (2d4+2) (in water); longspear +5 (2d4+6, AP 6)
Space/Reach: 5 ft./ 5 ft. (10’ with spear)
Special Attacks:
Special Qualities: Low-light vision
Saves: Fort +2, Ref +2, Will +3
Abilities: Str 19, Dex 15, Con 14, Int 11, Wis 10, Cha 6
Skills: Climb +10, Hide +7*, Listen +7*, Move Silently +5, Spot +7*
Feats: Alertness
Environment: Temperate & warm aquatic
Advancement: 3-6 HD (Medium); 7-13 HD (Large); 14-26 HD (Huge)
Special Attacks/Qualities: *+4 racial bonus underwater
Name: Deep One, Advanced
Size/Type: Large Aberration (Lesser Servitor Race)
Hit Dice: 7d8+28 (57 hp)
Initiative: +2 (+1 Dex, +1 Reflex)
Speed: 20 ft.; swim 40’ ( 4 squares; 8 squares swim)
DV: 12 (+1 Dex, +2 class, -1 size)
DR: 6
Base Attack/Grapple: +5 / +15
Attack: claw +12 (1d4+8)
Full Attack: 2 claws +12 (1d4+8), bite +7 (2d4+4) (on land); 2 claws +12 (1d4+8), 2 rakes +12 (2d4+8), bite +7 (2d4+4) (in water); longspear +12 (2d4+12, AP 10)
Space/Reach: 5 ft./ 10 ft. (15’ with spear)
Special Attacks:
Special Qualities: Low-light vision
Saves: Fort +5, Ref +2, Will +6
Abilities: Str 27, Dex 13, Con 18, Int 11, Wis 10, Cha 7
Skills: Climb +16, Hide +4*, Listen +9*, Move Silently +6, Spot +9*
Feats: Alertness, Power Attack, Cleave
Environment: Temperate & warm aquatic
Advancement: 3-6 HD (Medium); 7-13 HD (Large); 14-26 HD (Huge)
Special Attacks/Qualities: *+4 racial bonus underwater