Summoning familiars provide passive boosts, some of which are skill boosts that give you invisible extra levels to help you train your skills. Invisible boosts do not allow you to perform actions that require higher levels than your own.
The table below details what you need for each familiar in the passive skill boost category and what their benefits are.
| FAMILIAR | SUM LEVEL | CHARM | TERTIARY | PASSIVE BOOST |
|---|---|---|---|---|
| Dreadfowl | 4 | Gold | Raw chicken | +1 Farming lvl |
| Granite crab | 16 | Gold | Iron ore | +1 Fishing lvl |
| Desert wyrm | 18 | Green | Bucket of sand | +1 Mining lvl |
| Beaver | 33 | Green | Willow logs | +2 Woodcutting lvls |
| Pyrelord | 46 | Crimson | Tinderbox | +3 Firemaking lvls |
| Ibis | 56 | Green | Harpoon | +3 Fishing lvls |
| Spirit graahk | 57 | Blue | Graahk fur | +5 Hunter lvls |
| Spirit kyatt | 57 | Blue | Kyatt fur | +5 Hunter lvls |
| Spirit larupia | 57 | Blue | Larupia fur | +5 Hunter lvls |
| Stranger plant | 64 | Crimson | Bagged plant I | +1 Farming lvl (+4% of your farming level) |
| Arctic bear | 71 | Gold | Polar kebbit fur | +7 Hunter lvls |
| Obsidian golem | 73 | Blue | Obsidian charm | +7 Mining lvls |
| Granite lobster | 74 | Crimson | Granite | +4 Fishing lvls |
| Lava titan | 83 | Blue | Obsidian charm | +10 Mining lvls |
| Wolpertingers | 92 | Crimson | Raw rabbit + wolf bones | +5 Hunter lvls |