A material manual an item that can be purchased from Ezreal's shop for 2,000 chronotes.
When read, it yields a buff that increases your chance of finding materials while excavating by 10% for 20 minutes and the manual is destroyed. When wearing a full master archaeologist's outfit set while reading the material manual, it will last 30 minutes instead of the regular 20 minutes. You can stack this effect for up to 1 hour of uptime, if you attempt to use any further manuals, you will have a warning notifying you that you will be losing extra time if used.
After advancing an Archaeology qualification rank, players may speak to Acting Guildmaster Reiniger to obtain some material manuals as a reward.
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