Someone has been raiding the coast. The PC’s are dispatched to help - but can they trust the local authorities?
The mentor of one or more (lawfully-inclined, socially ambitious) PCs is vulnerable because of a past action Ã¢â?¬â?? an action that was justifiable at the time. But opponents can now use changing circumstances or new information to discredit or destroy the mentor and damage the PC. The mentor is unwilling/unable either to respond or escape the consequences. The PCs can take action, but not in the open; ‘kill the monsters’ is not likely to solve the problem. Failing to act will doom the mentor and damage the PC; taking action may also doom the PC.
Arkths or Ravagers: These are large landbound crablike creatures about the size of Grizzly Bears. They live partially in the astreal plane. Their food is magic. They can sense it at huge distances. Since spells and such are hard to eat (being in motion) and magical places are the equivalent of a sea of krill to them, they are looking for magic stashed in concrete places. Their primary food source is magic items, alchemical potions, and enchantments. They do a pretty good job of mangling/ eating the physical aspect of said items in the process of chowing down. These things will be the bane of dungeons everywhere, as they will slowly eat away much of the treasure (and the magical traps... so it can be advantagous to follow these things). Note: They will attack people with highly magical natures (i.e. high magic powers). They will probably kill the person in the process of sucking out the power.