Practice session
Before an encounter, assign roles and agree on an error callout. Count only reward-eligible clears when logging attempts for one drop.
Destiny 2 icon
Competitive shooters
Destiny 2
A shared-world shooter with raids, competitive modes, and gear farming.
Encounter mechanics and eligible clears
What to track
Calculate drop odds only for runs that qualify for the reward. Use a single activity and separate attempts with any guaranteed rewards.
Measure your resultsTools for Destiny 2
Probability
Destiny 2 · Encounter mechanics and eligible clears
Estimate the chance of at least one success from a known chance per eligible raid clear.
Probability
Loot Probability Calculator
Find the odds of getting at least one drop across multiple tries.
Probability
Drop Chance Calculator
Estimate the chance of a single drop from recorded attempts.
Sandbox
Resource Calculator
Find your remaining material requirement and the runs to cover it.
Guides and tutorials
Build a repeatable progression plan
Explain one encounter role from start to finish, including recovery when a teammate misses a checkpoint.
Calculate drop odds over several attempts
Use the chance of missing every roll to find the odds of at least one drop.
Read guideFrequently asked questions
Can I estimate a raid drop after a lockout?
Count the attempt only if the activity could award the item. Check its current lockout and any guarantee first.
How can I practice encounter mechanics and eligible clears?
Before an encounter, assign roles and agree on an error callout. Count only reward-eligible clears when logging attempts for one drop.
