There's nothing to do here.
Providing you've got the goblin king head, just stand there.
The village elder will approach you, and reward you with a neutral talisman.
The maximum points you can receive (to spend on upgrading your character) are:
got neutral talisman
50
tactics
No tactics here - just meet the elder, and collect the neutral talisman from him.
Didn't he give it you you?
Are you sure you killed the goblin king in the previous level?