Contract of Oplate Acquisition: For RuneScape gold the most dedicated players, Yama can drop King Roel Files (1 in 12.1 chance), which contain the Contract of Oplate Acquisition (1 in 133.8 chance). Completing this contract guarantees an Oplate piece. Each of these methods affects the average kill count (KC) required to complete a full Oplate set, and they interact differently depending on...