> For the complete documentation index, see [llms.txt](https://splinterforge.gitbook.io/electrum-mine-survival-mode/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://splinterforge.gitbook.io/electrum-mine-survival-mode/summary.md).

# Summary

A quick point by point rundown on the rules for this play mode.

• Each fight requires a FORGE burn that increases with the difficulty of the bosses.\
• May start a new mine run for free 23 hours after your last mine run began.\
• There are 4 difficulty levels, Bronze/Silver/Gold/Diamond.\
• Each mine run will have 12 mini bosses that get stronger the deeper you go.\
• Each mini boss you defeat will reward you with 1 Rez credit and 1 Reroll credit that will expire when the current mine run is reset.\
• May use 1 Rez credit to resurrect a random dead monster, may use 2 Rez credits to resurrect a specific monster.\
• May use 1 Reroll credit to reroll abilities on current boss.\
• You must bring 3 heroes into the mine to lead your monsters.\
• Each hero may battle a maximum of 8 times before they become exhausted (can't fight anymore until next mine run).\
• Select up to 30 Splinterlands monsters you own/rent/borrow to be eligible until next reset.\
• Summoners are ineligible for this play mode.\
• You may only select neutral monsters or monsters of any active Force Runes (across all heroes).\
• When a monster is damaged in a fight, they will remain damage in this play mode until next reset.\
• When a monster is killed in a fight, they will be unavailable to be used until next reset.\
• Must send at least 1 monster each fight.\
• Base maximum of 5 monsters & 30 mana may be used per fight, these can be boosted with hero abilities.\
• Monster level limits and hero stat limits per difficulty tier are same as boss battles.\
• Rewards are Electrum, XP, Evolution Essence, and Relic Fragments.