Requirement for expert negotiator: Leadership 3
Requirement for leader negotiator II: Leadership 3, Intelligence 3
Requirement for leader negotiator III: Leadership 4
Negotiator: Increases the final reward multiplier by four.
Negotiator II: Increases the final reward multiplier by four.
Negotiator III: Increases the final reward multiplier by four.
Each point in leadership increases the multiplier by one.
Each plus in leadership increases the multiplier by one.
The final reward is calculated as follows: normal_reward x multiplier / 20