These increase damage done to opponents from abilities that are magical in nature. These abilities include:
- cast (or grove) lightning
- cast firelash
- thornrend
- staffcast
- stormhammer
- accentato
- holocaust globe
- kai choke
- distort aura
- utter truename
- warp
- taint
- purity
- decay
- star tarot
- thurisaz rune
- educe iron
- mind crush
Artefact weapon collars come in three levels:
| Collar of Ceylon | 10% increased damage | 400 credits |
| Collar of Diablerie | 15% increased damage | 800 credits |
| Collar of Agatheis | 20% increased damage | 1600 credits |
Note: Not to be confused with Collar of Lupus, an artefact for mounts.