🧬 The First Descendant Drop Rate Calculator
Estimate amorphous material farming, Shape Stabilizer use, Void Intercept or Reactor opening pace, expected attempts, farm time, and cumulative blueprint odds.
| Preset | Source | Target rate | Opening mode |
|---|---|---|---|
| Ultimate Bunny Code | Hard infil | 6% | Hard Intercept |
| Ultimate Gley part | Outpost | 6% | Hard Reactor |
| Weapon blueprint | Hard infil | 32% | Hard Intercept |
| Catalyst blueprint | Stocked AM | 15% | Open stock |
| Equalized AM | New pool | 20% | No stabilizer |
These are editable planning presets. Always replace the target percentage with the value shown on the specific amorphous material in game.
| Mode | Use when | Rate input | Planning note |
|---|---|---|---|
| No stabilizer | Any AM | Base rate | Default model |
| Legacy Shape | Old AM allows it | Stabilized rate | Raises rare slots |
| Advanced shape | Event rule applies | Stabilized rate | Manual check |
| Equalized AM | New equal pool | Base rate | No old shape |
| Manual override | Known rate | Your value | Patch-safe |
If the current amorphous material does not accept a Shape Stabilizer, leave the mode on no stabilizer or equalized new AM.
| Route | AM rate | Pace cue | Time lever |
|---|---|---|---|
| Hard Infiltration | 100% | 6-10/hr | Clear speed |
| Normal Infiltration | 100% | 8-14/hr | Lower pool |
| Strategic Outpost | 25% | 12-25/hr | Cooldown loop |
| Stealth Outpost | 25-50% | 10-20/hr | Stealth success |
| Void Reactor | Needs AM | 8-18/hr | Shard prep |
Attempts per hour should include travel, restarts, shard farming, failed stealth, and public matchmaking downtime.
| Target rate | 50% odds | 90% odds | Best read |
|---|---|---|---|
| 3% | 23 opens | 76 opens | Rare slot |
| 6% | 12 opens | 38 opens | Ult code |
| 10% | 7 opens | 22 opens | Stabilized |
| 20% | 4 opens | 11 opens | Equal pool |
| 32% | 2 opens | 6 opens | Common part |
Milestones assume one copy. Multiple copies scale with a binomial target, so use the calculator for weapon duplicates or repeated blueprints.
Stop guessing. Start planning. Know the feeling? You grind away at a game for hours and miss that one part you want AGAIN.
Well, this is for you: a drop rate calculator for The First Descendant. This thing takes random number generation and makes it manage-able. It will show you exactly how long you have to grind away in order to achieves a certain confidence level. You will no longer rely on vague rumors, luck, or anything else except actual farming mechanisms.
How to Plan Your Grinding Time
It take into account opening Reactors and/or Void Intercepts to open up shapeless materials. And then there’s drop rate. That’s only part of a bigger equation. On paper, 6% might not sound good. But when you do it a few times over, like a dozen or more, that number compounds and makes your total odds a lot better. So what happens? The calculator does all that work for you.
The calculator handles all those binomial distribution formulas for you, but you still need to input your personal attempts per hour and stabilizer mode. Where this really shines is distinguishing between open time and farm time. Lots of people do them simultaneously and think, “Oh, if I can farm quicker, I’ll get things done sooner.” More often then not, that doesn’t hold true. The bottleneck depends entirely on what route you take and how your build is constructed.
Strat Outposts and Hard Infiltration Ops has different efficiencies: Strat Outposts cycle quickly if you stay hidden, but they have a lower drop rate. Hard Inf Ops take longer on each run, but will guarantee amorphous drops each run. You can enter your own runs-per-hour estimates for both stage in the calculator. Why? Because everyone’s knowledge of the game differs. If you’ve got a veteran player that burns through Outposts in just two minutes, it’s going to be different than another person that burns through them in eight. Drop rates is the same, but how much time you invest makes a difference.
There are preset buttons which will give you an idea of what to assume as a baseline, but tweak the pace fields to reflect your true pace. The reference table shows various source paces and points out that, especially with limited time, efficiency beats raw probability.
Things get more complicated with stabilizers, which trip up the novice. Shape Stabilizers increased the chance of getting rare slots when used on older amorphous materials. It basicly doubled/tripled your odds of rolling certain parts. Moddern equalized pools remove this mechanic completely. That’s what this tool accommodates: you can switch between modern equalized pool mode and legacy stabilizer mode. Are you farming some old material that accepts stabilizers? Inputting the stabilized rate will show a drastic decrease in expected attempts. Trying to use a stabilizer boost on some new material that doesn’t care about it? Your plan won’t work out as well. Don’t expect the calculator to judge your inputs, it’s up to you to understand what materials accepts what boosts.
Most farms go wrong here: Time management. Maybe you figure out that you has to open up 50 times with a 90% shot at pulling the blueprint you want. That seems reasonable. But then you have to consider how long it takes to get there, how many death penalties are needed, and how much shard prep is necessary to run Reactors. All those factors are combined to come up with an expected output of how long the farm should take. It’s a reality check before you click anything.
If it tells you this farm is going to take ten hours, maybe you’ll bump down the amount of confidence you’re shooting for? Or maybe change courses and use a more reliable (albeit slower) path? It’s a way to set real-world expectations.
Randomness has patterns if you look at it long enough, and gacha mechanics is meant to feel random because, well, they’re random. But once we can quantify that randomness we’ve taken away the emotional kick of being unlucky. It wasn’t just bad luck, you were statistically likely to get what you got. It lets you know that maybe your next part will be on try three, or maybe try thirty. Then you can organize your gameplay sessions to match instead of hoping to fit it into your schedule. It makes playing a frustrating loop into a calculated investment, so every hour spent in The First Descendant is an hour spent well used.
You should of planned ahead.
