Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Base Attack Bonus | +1 | +2 | +3 | +4 | +5 | +6 | +7 | +8 | +9 | +10 | +11 | +12 | +13 | +14 | +15 | +16 | +17 | +18 | +19 | +20 |
| Fort Save | +2 | +3 | +3 | +4 | +4 | +5 | +5 | +6 | +6 | +7 | +7 | +8 | +8 | +9 | +9 | +10 | +10 | +11 | +11 | +12 |
| Ref Save | +0 | +0 | +1 | +1 | +1 | +2 | +2 | +2 | +3 | +3 | +3 | +4 | +4 | +4 | +5 | +5 | +5 | +6 | +6 | +6 |
| Will Save | +2 | +3 | +3 | +4 | +4 | +5 | +5 | +6 | +6 | +7 | +7 | +8 | +8 | +9 | +9 | +10 | +10 | +11 | +11 | +12 |
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Special | Deep Dragon Body, Acid Breath, Least Deep Magic | Arcane Blood, Keen Senses | Blindsense 60’, Charm Immunity, +1 Str | Wings, +1 Cha | Snake Form, +1 Con | Humanoid Shape, +1 Str | Lesser Deep Magic, +1 Con, +1 Cha | Deep Arcana, +1 Str | Advanced Deep Magic, +1 Cha | Deep Lord, +1 Con | Growth, Tail Slap, Arcane Skin, +1 Str | True Seeing, Iron Scales, +1 Con, +1 Cha |
Deep Cunning, +1 Str | Greater Deep Magic, +1 Con, +1 Cha | Deep Explorer, +1 Str | Growth, Crush, Frightful Presence, +1 Con, +1 Cha | Deep Patience, +1 Str | Master Deep Magic, +1 Con, +1 Cha | Deep Hunter, +1 Str, +1 Con | Drake of the Depths, +1 Str, +1 Con, +1 Cha |
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