There are six ascension keystones, dropped by the slayer monsters in the Monastery of Ascension as tertiary drops. The base drop rate for Rorarii, Gladii, Capsarii and Legiones is 1/64 for any key, or 1/384 for a specific key. Scutarii have a slightly more common rate of 1/50 for any key, or 1/300 for a specific key.
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- patch 24 July 2013 (Update):
- Temporarily increased the drop rates slightly of the keystones in the Order of Ascension dungeon.