Common Monsters are the easiest monsters to both find and tame.
All Common Monsters can be captured with the Common Gem at a 100% rate.
All Stage 1 Monsters that are also Common can be captured at a maximum 75% rate with a Taming Gem
You can find a list of all Common Monsters on their category page here
HP[]
All Common monsters share the same HP pool
| Level | Base HP |
|---|---|
| 1 | 120 |
| 2 | 140 |
| 3 | 160 |
| 4 | 180 |
| 5 | 200 |
| 6 | 220 |
| 7 | 240 |
| 8 | 260 |
| 9 | 280 |
| 10 | 300 |
| 11 | 320 |
| 12 | 340 |
| 13 | 360 |
| 14 | 380 |
| 15 |
400 |
This pattern of gaining 20 hp each level will continue. (but i stopped it here because most would evolve their monster by this point)