Mining rock-break chance, ore and essence

Each Mining hit can break a rock early. If it does not, the rock-break bar gains progress; reaching its limit forces a break. After breaking, the rock restarts immediately. Rocks do not deplete and wait to respawn in this demo snapshot.

Choose ore, essence or a gem vein

Supply needed	Mining choice
First Smithing equipment	Stone; later the ore named by the bar recipe
Rune production	Rune Essence, then the essence required by the selected recipe
Steel Bars	Iron Ore and Coal
Gem equipment	The corresponding gem vein and its downstream cutting or equipment recipe

A bonus to stone or essence per hit is separate from the main ore paid on a break. Mining a metal ore can therefore produce other resources without turning those resources into its main break reward.

Why a small break-chance increase can matter

All else equal, a displayed 30% progress contribution reaches 100% on the fourth unsuccessful early-break attempt. At 34%, three contributions exceed 100%. This compares the forced-break ceiling; random early breaks can finish either case sooner.

Do not multiply a rock’s hit interval by a fixed number of hits and call the result a measured average. The early-break roll and accumulated bar both affect it. Use observed stock growth for an offline supply estimate, or enter a known recipe interval in the batch planner for the later deterministic crafting stage.

Missing the expected reward

Check whether the reward is listed under On Hit or On Break. Then check the selected rock, bank space and toolbelt. A damaged pickaxe’s extra drop is not a guarantee on each hit, and a Mining tool is separate from the main Shop pickaxe upgrade.

Damaged pickaxes covers those extra tools. The 0.11.3 fixes also matter for Essence Imbued Pickaxe: the public demo fix enables its Rune Essence reward, not access to locked Pure Essence content.