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MapleStory: Idle RPGGLB
MapleStory: Idle RPGGLBIdle RPG Weapon Summoning Chance Calculator
Verified against MapleStory Idle RPG Wiki
Interactive tool on MPStorys
Idle RPG Weapon Summoning Chance Calculator probability planner
Use the verified in-game rate for your region, then calculate cumulative outcomes without leaving MPStorys.
Chance of at least one success
63.4%
Expected successes
1
Planned total cost
0
Attempts for 90% chance
230
Attempts needed for at least one success: 50% — 69, 90% — 230, 95% — 299.
Uses independent-attempt probability: 1 − (1 − p)ⁿ. Enter the current official rate; MPStorys does not guess or freeze game rates.
How this on-site tool works
Calculates weapon-tier acquisition probability by summon level and rolls, plus ticket counts for target confidence levels.
More from this series
This Tools entry belongs to MapleStory: Idle RPG. Related pages below keep this series separate from other MapleStory games.
Source and verification
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MapleStory Idle RPG Wiki