James Jacobs
Creative Director
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Since they are magically created, would a Sin Spawn detect as magic?
No. No more than an undead or construct would.
Detect magic only detects currently active spells or magic items. A sinspawn, construct, or zombie created by magic is, basically, the same as a wall of stone that's created by magic; the magic used to create it is instantaneous and dissipates once it's done, although the creation remains. By the same extension, a wound healed by magic or a house burned by magic or a person brought back from death by magic wouldn't radiate magic from the effect that affected them.
| Scott Betts |
It's worth noting that Detect Magic can pick up the lingering auras of recently cast spells - a group of undead created with a spell would detect as magic (registering a dim aura) for a short while afterward. See the d20 SRD for more info on lingering auras.
How this affects Sin Spawn is up to you to decide (unless a CL for the Lesser Runewell is given somewhere). Their ecology entry also notes that they are magically sustained while within a mile of the runewell - presumably this ongoing magical effect would also show up when using detect magic.
Mark Moreland
Director of Brand Strategy
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It's worth noting that Detect Magic can pick up the lingering auras of recently cast spells - a group of undead created with a spell would detect as magic (registering a dim aura) for a short while afterward. See the d20 SRD for more info on lingering auras.
I think the lingering aura would remain around the runewell itself, not around the sinspawn since it's at this stationary spot that the spell was cast.
| Scott Betts |
Scott Betts wrote:It's worth noting that Detect Magic can pick up the lingering auras of recently cast spells - a group of undead created with a spell would detect as magic (registering a dim aura) for a short while afterward. See the d20 SRD for more info on lingering auras.I think the lingering aura would remain around the runewell itself, not around the sinspawn since it's at this stationary spot that the spell was cast.
The Detect Magic rules are unclear on this, so it could probably go either way. Create Undead (and other similar spells) tend to target corpses, suggesting that lingering magic would be found on the corpse (and, subsequently, the undead that rose from it). Sinspawn, on the other hand, are created of soul-stuff. I'd say it's up to the DM to decide how magic would linger.
I'd probably have it attached to the Sinspawn since that's how Create Undead and other such spells work, and since the Runewell already radiates magic (as a magic item).