In Norse mythology, which pricing strategy did Odin employ when he 'purchased' wisdom by sacrificing his eye at Mímir's Well?

Throughout history, mythological figures have been 'brands' of their own, with distinctive symbols, stories, and powers that made them recognizable across cultures. Thinking of mythology through a modern marketing lens reveals fascinating insights about how ancient cultures 'positioned' their deities and legendary figures. This poll tests your knowledge of how mythological marketing strategies might translate to today's retail concepts.

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Value-based pricing (sacrificing something of personal value for a service of perceived greater worth)
Penetration pricing (offering wisdom at below-market rates to quickly expand his godly knowledge base)
Premium pricing (positioning wisdom as a luxury good available only to the elite of Asgard)
Psychological pricing (making the sacrifice seem less costly by gaining eternal wisdom rather than temporary knowledge)