TBH Drop Chance Calculator

TBH drop chance calculator: calculate obtainable Gear rates across boss boxes, stages, monsters, hero scenarios and repeated runs using current game data.

Calculate a target drop

Target Gear

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Stage clears or chest opensOwned heroes scenario

Select Gear to calculate its published drop routes.

Plan farming runs with the TBH drop chance calculator

The TBH drop chance calculator turns a published item-to-chest-to-stage route into a probability you can use for farming plans. Choose an obtainable Gear record, select Base, Hunter, Slayer, or the combined hero scenario, and enter a number of clears or chest opens. The result separates the chance that a chest contains the item from the chance per stage clear, then shows the probability of seeing at least one copy across repeated attempts.

That separation matters because a single percentage rarely tells the whole story. A Gear item can have a contain chance inside a named boss or monster box, while a stage supplies that box at its own rate. The tool preserves both numbers instead of presenting an unexplained drop rate. It is designed for questions such as how many A1-1 clears to plan, whether a boss route beats a normal-monster route, and how much a rarer version changes the expected grind.

All calculations use the current published Task Bar Hero catalog release. The source records are normalized into an immutable release with explicit rarity, stage, chest, difficulty, and scenario values. The TBH drop chance calculator does not silently invent a missing route, infer an unlisted pity system, or treat a zero stage value as a positive chance. When the catalog changes, the API-backed selector exposes the new released values without rewriting the probability formula.

How to use the Task Bar Hero drop rate tool

Use these four steps to keep the item, route, scenario, and number of attempts separate. That makes the final loot chance easier to audit and prevents a chest percentage from being mistaken for a per-clear percentage.

1. Select the exact Gear variant
Search for an obtainable item and check both its name and rarity. Long Sword (Legendary) and Long Sword (Immortal) are separate records with different stats, contain chances, Cube values, and crafting chances. Selecting only by the shared name can answer the wrong question, so the picker returns the released variant rather than a generic family average.
2. Choose a published hero scenario
Base, Hunter, Slayer, and Both are values carried by each source record. Choose the scenario that matches the comparison you want to make. Do not assume that a named scenario always raises every individual item probability: the released Long Sword record, for example, shows different values that must be read directly. The calculator reports those values without describing an unverified bonus rule.
3. Enter clears or chest opens
Use chest opens when you already own the named box and want the contain probability. Use stage clears when the selected source lists a stage route, because the per-clear result combines the stage box chance with the item contain chance. Enter a realistic run count rather than an enormous target so that the at-least-one percentage remains useful for the session you are planning.
4. Read all four result columns
Per chest answers how often the item appears after that box is opened. Expected opens is the long-run reciprocal of the published contain chance. Box chance describes the stage-to-box step. Per clear combines the two steps, and at least one in N converts that per-clear probability into a cumulative result. None of these numbers guarantees a drop on a specific attempt.

Drop probability, repeated attempts, and data limits

For a stage route, the per-clear probability is stage box chance × item contain chance. Both inputs are percentages, so the implementation divides by 100 after multiplying them. A stage box chance of 8% and a contain chance of 0.0066% therefore become a 0.000528% per-clear chance. When the stage chance is 100%, the per-clear chance equals the contain chance because the stage step no longer reduces it.

Repeated attempts use 1 − (1 − p)ⁿ, where p is the per-attempt probability written as a decimal and n is the number of independent attempts. This answers the chance of at least one success, not the expected number of copies. Expected attempts uses 1 ÷ p as a long-run average. A player can still succeed on the first clear or go far beyond the displayed average because random outcomes do not become guaranteed at that number.

The TBH drop chance calculator deliberately does not model clear time, offline rewards, unidentified player modifiers, trading, a pity counter, or correlations between attempts. A missing source means only that the current release does not publish that relationship. A stage value of zero remains zero rather than being replaced by a guess. Use the result as transparent catalog arithmetic, then combine it with your own clear speed and build strength when choosing a route.

Verified Task Bar Hero drop chance examples

These examples use values from the currently published release, including the released Gear variants linked below. They show how the same calculator answers chest, stage, rarity, and repeated-run questions without importing numbers from an unrelated version.

Long Sword (Legendary) from Stage Boss Box 4

Long Sword (Legendary) lists Stage Boss Box 4 with a Base contain chance of 0.2363%. Its published routes are A1-1, A1-2, and A1-3 on Normal, each with a 100% stage box chance. The per-clear Base probability is therefore also 0.2363%. The reciprocal is about 423.2 clears as a long-run expected value, not a guaranteed reward at clear 424.

Across 100 independent clears, the probability of at least one copy is about 21.07%. Across 500 clears, it rises to about 69.36%. This is why the TBH drop chance calculator shows cumulative probability alongside expected attempts: one number describes an average waiting time, while the other describes the risk of finishing a planned session without the item.

Legendary versus Immortal Long Sword

Long Sword (Immortal) uses the same Stage Boss Box 4 and the same three 100% Normal routes, but its Base contain chance is 0.0473%. That is roughly one fifth of the Legendary variant's 0.2363%. Its long-run expected value is about 2,114.2 opens or clears, and 100 clears produce only about a 4.62% at-least-one probability.

The comparison demonstrates why rarity must be part of the search intent. Asking for a generic Long Sword drop rate hides a fivefold difference between these two released records. Open the corresponding Gear detail pages to check their stats and sources, then return to the calculator with the exact variant selected.

Shadow Bow (Arcana): boss box versus monster box

Shadow Bow (Arcana) lists a Stage Boss Box Lv80 Base contain chance of 0.0066% and Torment stage routes with an 8% box chance. Multiplying the two gives a 0.000528% per-clear probability. At 1,000 independent clears, the chance of at least one copy is about 0.527%, showing how two modest-looking percentages can produce a very small final loot probability.

The same item lists Normal Monster Box Lv80 at a 0.0066% Base contain chance, but its published stage chance is 0.8%. That route becomes 0.0000528% per clear, ten times lower than the 8% boss-box route before clear speed is considered. The calculator exposes the probability difference; the player still decides whether faster monster clears offset it.

Turn probability into a practical farming decision

Start with the Drop Finder when you do not yet know the chest or stage, then use this tool to compare repeated-run outcomes. Open the Gear Calculator before committing to a very rare variant so that you can see whether its published stat package fits your plan. If duplicate Gear is part of the expected outcome, use the Cube Calculator to total the current Cube EXP and Alchemy Gold values instead of treating every non-target drop as worthless.

A good farming decision combines probability, clear time, survivability, and the value of alternate drops. The calculator owns only the probability layer. Save the selected item name, rarity, source, scenario, and run count when sharing a result so another player can reproduce it. That context is more useful than posting a single percentage without explaining whether it came from a chest open or a full stage clear.

TBH drop chance calculator FAQ

How does drop chance work in Task Bar Hero?

The published Gear routes can contain two probability steps: a stage supplies a named box, and that box contains the target item. The per-clear probability multiplies those percentages. When a source has no stage route, the tool can still show its per-chest contain chance but cannot invent a per-clear rate.

What is the drop rate for Legendary Gear?

There is no single Legendary drop rate. Each Gear variant and source has its own published contain chance and may connect to stages with different box chances. Long Sword (Legendary) is 0.2363% Base in Stage Boss Box 4, but that verified example should not be applied to every Legendary item.

How do I increase my drop chance in TBH?

Use the scenario selector to inspect the values published for Base, Hunter, Slayer, and Both, then compare available routes. The tool does not promise that a scenario raises every target item's value. Improvements outside the released source data, such as build speed or unlisted mechanics, are not estimated here.

Does rarity affect the drop rate?

Different rarity variants are separate records and can have sharply different contain chances. Legendary and Immortal Long Sword share a source but have Base values of 0.2363% and 0.0473% respectively. Always select the exact rarity rather than assuming one family-wide probability.

Where does Long Sword drop in Task Bar Hero?

The released Legendary and Immortal Long Sword records point to Stage Boss Box 4 and Normal stages A1-1, A1-2, and A1-3. Use the Drop Finder for the source chain and the TBH drop chance calculator for chest, per-clear, expected-attempt, and repeated-run probabilities.

Current rollout

Explore released Gear examples

These 16 obtainable records are in the initial SEO release. Use their detail pages to verify stats, crafting, and published drop routes used by the tools.

Long SwordLegendary · Sword Long SwordImmortal · Sword Shadow BowBeyond · Bow Limitless BowBeyond · Bow Shadow BowArcana · Bow Dimensional SwordBeyond · Sword Vengeance SwordBeyond · Sword Tempest StaffBeyond · Staff Dimensional CrossbowBeyond · Crossbow Dimensional TomeBeyond · Tome Dimensional OrbBeyond · Orb Dimensional ArrowBeyond · Arrow Dimensional BoltArcana · Bolt Dimensional ArmorBeyond · Armor Ethereal AmuletBeyond · Accessory Dimensional AxeBeyond · Axe

Calculate a target drop

Plan farming runs with the TBH drop chance calculator

How to use the Task Bar Hero drop rate tool

1. Select the exact Gear variant

2. Choose a published hero scenario

3. Enter clears or chest opens

4. Read all four result columns