Mining
With  Any Pickaxe equipped clicking the  Mine action will change your cursor into a pickaxe, which can then be right-clicked on any wall within a  Mine Entrance to begin Mining. The Phlegm this will drain is dependent on what Mine level you are on and can be lowered by increasing your Mining Artifact Bonus. Once you have finished Mining you will automatically  Lift out the appropriate  Ore Boulder based on the wall type you just Mined. Unlike other walls, Hard Rubble Wall must be softened before Mining by lighting a  Pile of Wood at its base and letting it burn down. Each time any wall is Mined there is a chance to cause a Cave-In or spawn  Bats.
Cave-Ins
Each time a Wall tile is Mined there is a chance to trigger a Cave-In. A Cave-In will scatter new Rubble Walls randomly in areas that you have already Mined out around the source of the Cave-In. Being under a Cave-In when it falls will instantly cause you to become Knocked Out and will damage nearby Structures. The chance of a Cave-In happening is based off the wall's proximity to other Un-Mined Walls, its proximity to already existing Support Beam and your  Mines & Mountains Proficiency. While very rare it is technically still possible to get a Cave-In while mining under the radius of a Support Beam. An impending Cave-In will be evident by a rumbling sound and dust falling from the ceiling and can be stopped by building a Support Beam directly under the exact spot where the dust is falling.
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