The second rebirth in Mine a Planet is the unlock that gives you access to the Astral Annihilator drill and the Void planet, both of which are the end-game progression targets. To qualify for the second rebirth, you need to reach level 50 AND have at least one Cosmic Reaper or higher Legendary drill bound to your account. This guide covers the second rebirth requirements, the Prestige Shop access, and the optimal strategy for pushing through the second rebirth as efficiently as possible.
For the broader rebirth strategy, see our Mine a Planet rebirth timing guide. For the Astral Annihilator crafting details, see our Mine a Planet crafting tier progression guide. This principle applies broadly across all progression stages and is one of the most reliable optimization levers in the game.
Second Rebirth Requirements
The second rebirth requires two conditions to be met simultaneously: your account must reach level 50, and you must have a Cosmic Reaper or higher Legendary drill bound to your account. Both conditions must be satisfied before the second rebirth option appears in the menu.
| Requirement | Threshold | Typical Time |
|---|---|---|
| Player Level | 50 | 15-25 hours of grinding |
| Bound Drill | Cosmic Reaper or higher | 10-20 hours of farming |
Most players who follow the optimal progression path reach both conditions within 30-40 hours of total play time after the first rebirth. The exact mechanics vary slightly by patch, but the underlying principle remains consistent across all player playstyles. This principle is well-documented across the community and applies consistently across all progression stages.
What the Second Rebirth Unlocks
The second rebirth unlocks three major end-game features: the Astral Annihilator drill recipe, the Void planet, and the Prestige Shop exclusive upgrades. Each unlock is gated by the second rebirth, which means you cannot access any of them without triggering it.
| Unlock | Description |
|---|---|
| Astral Annihilator | Highest-tier drill, 4,800 damage, 32x ore multiplier |
| Void Planet | End-game farming location, Void Shards drop here |
| Prestige Shop Exclusives | Astral-tier upgrades only available after 2nd rebirth |
The Astral Annihilator is the most impactful unlock because it has the highest damage and ore multiplier in the game. The Void planet is the second most impactful because it is the source of the rarest materials. The Prestige Shop exclusives round out the end-game progression.
Optimal Second Rebirth Strategy
The optimal second rebirth strategy is to grind the Cosmic Reaper craft first, then trigger the second rebirth immediately after binding the Cosmic Reaper. The grind typically takes 10-20 hours, depending on your drill tier and pet bonuses. Experienced players test this approach across multiple sessions before committing to a long-term strategy based on the outcome.
| Step | Action | Time |
|---|---|---|
| 1 | Reach level 50 on your account | 15-25 hours |
| 2 | Farm Cosmic Core materials on Nebula | 5-10 hours |
| 3 | Craft Cosmic Reaper | 1 hour |
| 4 | Reforge Cosmic Reaper for high Ore Multiplier | 1-2 hours |
| 5 | Bind Cosmic Reaper and trigger second rebirth | Instant |
The total time investment is roughly 22-38 hours, which is why most players spend at least a week of focused play before triggering the second rebirth. Combining this insight with active pet bonuses and prestige multipliers yields compounding benefits that accelerate overall progression.
Common Second Rebirth Mistakes
The most common second rebirth mistake is to grind past level 50 without rebirthing. The level multiplier tops out around level 60, so grinding past level 50 yields diminishing Prestige Point returns. Players who delay their second rebirth to grind more ore typically earn less than they would have from a timely reset.
The second mistake is to bind a Mythril Destroyer instead of a Cosmic Reaper. The Mythril Destroyer does not meet the second rebirth requirement — only the Cosmic Reaper or higher qualifies. Players who bind the Mythril Destroyer must rebind before triggering the second rebirth.
The third mistake is to forget to reforge the Cosmic Reaper before binding. The reforge stats persist across rebirths, so binding an unreforged drill misses the reforge bonus. Always reforge your bind drill for high Ore Multiplier before triggering the rebirth.
Second Rebirth Material Requirements
The Second Rebirth has steep material requirements that catch many players off guard. Specifically, you need at least one Cosmic Core, three Mythril Bars, and 50,000 Drill Pieces, plus a series of quest items that only drop on the Void planet. The Cosmic Core alone takes roughly 6-8 hours of focused Void farming, and the Mythril Bars take another 4-6 hours of Nebula farming. The total time investment to unlock Second Rebirth is roughly 12-16 hours of focused play, which is why we recommend stockpiling the materials in advance rather than trying to farm them on demand.
The optimal preparation strategy is to start stockpiling the Cosmic Core and Mythril Bar materials 5-10 hours before you intend to trigger the Second Rebirth. This gives you time to handle any RNG frustration on the rare drops without feeling rushed. For more on the rare drop RNG mitigation, see our best pet for grinding guide.
Post-Second-Rebirth Progression
Once you have triggered the Second Rebirth, the Astral Annihilator drill becomes craftable, which is the highest-tier drill in the game. The crafting cost is roughly 5 Cosmic Cores plus 10 Mythril Bars plus 1,000,000 Drill Pieces, which is a massive investment but yields roughly 1.5x the drill power of the Mythril Destroyer. Veterans who unlock the Astral Annihilator typically see a 30-40% progression rate boost in their post-Second-Rebirth sessions.
The Second Rebirth also unlocks the prestige shop's Mythic upgrade tier, which includes bonuses that are not available at any lower rebirth level. Players who have completed the Second Rebirth should immediately spend their Prestige Points on the Mythic-tier Ore Multiplier upgrade, which is the single biggest prestige shop investment in the game.
Frequently Asked Questions
What level do I need for the second rebirth?
Level 50 is the minimum requirement for the second rebirth. Most players find this threshold works because it lets you complete milestones and stockpile materials for the next phase of progression without rushing through the prerequisites. Most players find this threshold works because it lets you complete milestones and stockpile materials for the next progression phase.
Which drill must I bind for the second rebirth?
A Cosmic Reaper or higher Legendary drill must be bound. The Mythril Destroyer does not meet the requirement. The optimal drill depends on your current biome and active pet bonuses, but the highest-tier drill you can craft is usually the right answer.
How long does it take to reach the second rebirth?
Most players reach the second rebirth within 30-40 hours of total play time after the first rebirth. The exact time depends on grinding efficiency and pet bonuses. The exact timing depends on your active bonuses and smelter queue depth, but the baseline is consistent across most playstyles.
What does the second rebirth unlock?
The second rebirth unlocks the Astral Annihilator drill recipe, the Void planet, and the Prestige Shop exclusive upgrades. Yes, this works as expected, and the effect compounds with other progression systems, so the value increases over time. The optimal application of this strategy depends on your current biome and active pet slot configuration.
Should I spend my Prestige Points before or after the second rebirth?
After. The second rebirth resets your Prestige Points, so spend them on upgrades before triggering the reset. Generally yes, but the optimal timing depends on your current resource reserves and your active biome's node HP profile. For specific biome-by-biome breakdowns, see our detailed planet guides which cover each scenario in depth. No. You must craft the Cosmic Reaper
Detailed Second Rebirth Walkthrough
A complete second rebirth walkthrough takes most players between 25 and 40 hours of focused play, including the material grind and the actual reset trigger. The breakdown of that time is roughly 50% on Void farming, 25% on crafting the Astral Annihilator, 15% on reforging the Astral Annihilator, and 10% on the actual reset mechanics. Players who optimize each phase can shave 5-8 hours off the total, but rushing any phase leads to wasted materials that force a restart.
The first phase — Void farming — is by far the most time-consuming. You need at least 1 Cosmic Core, 3 Mythril Bars, and 50,000 Drill Pieces, plus the quest items that only drop on the Void planet. The Cosmic Core alone requires 100 Void Shards plus 50 Stardust, which means roughly 6-8 hours of focused Void drilling. The Mythril Bars require 50 Mythril Ore plus 25 Stardust each, which adds another 4-6 hours.
The second phase — crafting the Astral Annihilator — is much faster but more expensive. Once you have the materials, the craft itself takes about 2 hours of smelter queue time, and the bench upgrade is essentially instant. The total material cost is roughly 5 Cosmic Cores plus 10 Mythril Bars plus 1,000,000 Drill Pieces, which is a massive investment but yields the highest-tier drill in the game.
The third phase — reforging the Astral Annihilator — is the most expensive single reforge campaign in the game. The expected cost for a perfect Ore Multiplier roll is 60-80 million Drill Pieces, and the recommended budget is roughly 100 million Drill Pieces for a full optimization campaign. Players who try to reforge the Astral Annihilator without adequate reserves typically end up broke and unable to fund the next crafting milestone.
The fourth phase — the actual reset trigger — is instantaneous, but the timing matters even more than the first rebirth. Trigger the reset during a 2x Prestige Point event weekend if one is scheduled, because the bonus compounds across your entire post-second-rebirth progression. If no event is scheduled, stockpile materials for 1-2 weeks until an event window opens, then trigger immediately.
Common Second Rebirth Mistakes and How to Avoid Them
The most common second rebirth mistake is attempting the reset without enough Cosmic Core materials, which forces a multi-day grind on the Void planet before you can even trigger the reset. Players who try to shortcut the Cosmic Core grind typically end up spending 2-3x longer on the Void planet than players who fully stockpile the materials first. The fix is to start the Cosmic Core grind 5-10 hours before you intend to trigger the second rebirth.
The second common mistake is not allocating enough Drill Pieces for the Astral Annihilator reforge campaign. The expected reforge cost for a perfect Ore Multiplier roll is roughly 60-80 million Drill Pieces, and players who budget less than 100 million typically end up with a sub-optimal roll that they cannot improve without triggering another rebirth. The fix is to always budget at least 100 million Drill Pieces specifically for the Astral Annihilator reforge campaign, separate from your general Drill Piece reserves.
The third common mistake is not verifying the Second Rebirth prerequisites before triggering the reset. The prerequisites include reaching level 50, binding a Legendary-tier drill, and completing a specific quest chain on the Void planet. Players who skip any of these prerequisites typically see the reset fail silently, which can be frustrating to debug. The fix is to always verify the prerequisites against the in-game Second Rebirth menu before pulling the trigger.
Post-Second-Rebirth Optimization Tips
Once you have completed your second rebirth, the optimization priority shifts to Astral Annihilator crafting and reforging. The first post-second-rebirth activity should always be crafting the Astral Annihilator, because it is the highest-tier drill in the game and unlocks the Mythic-tier reforge ceiling. The second activity should be the Astral Annihilator reforge campaign, which typically takes 2-4 hours of focused reforge sessions to complete.
The second post-second-rebirth optimization is Mythic-tier prestige shop upgrades. The Prestige Shop unlocks three new upgrade tiers after the second rebirth: Mythic Ore Multiplier, Mythic Drill Speed, and Mythic Rare Drop Chance. These upgrades are roughly 2x as powerful as the Legendary-tier equivalents, and they should be prioritized immediately after completing the Astral Annihilator reforge campaign.
The third post-second-rebirth optimization is Void planet farming efficiency. The Void planet has the highest rare drop rate in the game, and players who learn to optimize their Void farming sessions see roughly 40-50% higher material throughput than players who grind inefficiently. The recommended Void farming build is the Astral Annihilator with full Ore Multiplier reforges plus the Cosmic Dragon pet plus the Mythic Ore Multiplier prestige upgrade.