Building a formidable team of Monmates is essential for advancing through Monmate Master: Idle Adventure's progressively challenging levels and competitive modes. With numerous unique Monmates available - each featuring distinct elemental attributes, abilities, and combat roles - identifying which ones merit your investment can make all the difference. This tier list serves as your guide to the strongest performers while helping you avoid resource-draining underwhelming choices.
| NAME | RARITY | ELEMENT |
| Seraphine | UR | Electric |
| Phoenix | UR | Fire |
| Flaminator | SP | Fire |
| Peniki | SP | Water |
| Rortar | SP | Earth |
| A-TIER MONMATES | ||
| NAME | RARITY | ELEMENT |
| Sparkgar | SP | Electric |
| Bamda | SP | Grass |
| Pibbear | SP | Fire |
| Rocking | SP | Earth |
| B-TIER MONMATES | ||
| NAME | RARITY | ELEMENT |
| Unishark | SSR | Water |
| Sweetfox | SSR | Electric |
| Gemshine | SSR | Earth |

Gemshine is an SSR-tier Earth-element Monmate specializing in support roles. Her Crystallize ability provides team-wide healing while granting allies a Harden buff - increasing physical damage resistance by 3% for 4 seconds.
For optimal gameplay experience, Monmate Master: Idle Adventure can be played on PC via BlueStacks, allowing players to enjoy the game on larger screens with keyboard and mouse controls.