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divine · 1 in 86M base

Best stack for Huge Icy.

To roll Huge Icy with 90% confidence in a reasonable window, even the maximum stack falls short. Treat the table below as “closest possible” rather than guaranteed.

Math transparentCited per source

Three winners, three constraints

Fastest
Lowest time to 90%
Closest stack reaches 23.6% only. Try a longer window or lower confidence.
Cheapest
Lowest Robux
Closest stack reaches < 0.01% only. Try a longer window or lower confidence.
Simplest
Fewest additions
Closest stack reaches < 0.01% only. Try a longer window or lower confidence.

Stack scales with AFK time

WindowStack (fastest path)Time to 90%Reachable?
1 hBaseline onlyNo
4 hBaseline onlyNo
8 hBaseline onlyNo
24 hBaseline onlyNo

Why this stack ranks first

Huge Icy has a base drop rate of 1 in 86M per roll. To reach 90% confidence of pulling at least one within an 8-hour AFK window, you need to land at effective odds where the geometric distribution `1 - (1 - p)^n` clears 0.9 over the available roll count.

Even the maximum stack the planner can build doesn’t reach 90% inside 8 hours for Huge Icy. Extend the window or accept lower confidence — see the table above for what each window achieves.

The other two rankings (cheapest, simplest) trade time for resource savings. If you’re grinding overnight, the cheapest plan often beats the fastest one because the extra hours cost nothing.

Why this target stays indexed

Why keep this page

Huge Icy deserves a retained stack page because it is one of the first Huge goals with account-wide payoff. A generic odds table does not explain when a player is ready for that commitment.

Best account stage

Huge Icy fits endgame players who already understand base divine hunts and have enough rebirth, potion, and passive luck to make long windows meaningful. It is aspirational for everyone else.

Source caution

Huge Icy relies on the documented Huge multiplier applied to base odds. If the game changes variant multipliers, this page must be reviewed before its recommendation stays indexable.

Nearby target difference

Huge Icy differs from base Icy because the reward is the Huge aura, not just a stronger equip. It also differs from Huge Aegis by being the cheaper of the two retained Huge paths.

Common mistake

The common mistake with Huge Icy is starting the hunt with an ordinary divine stack. Huge odds are a different category, so players should wait until the calculator shows a credible confidence window.

Editor’s note

Cost columns are concrete. Time columns assume our reconciled defaults (Lucky Slime Passive ×3, potion duration 3 min, 5 rolls/min standard or 7.5 with Roll Speed Boost). These values are sourced from three independent community references but haven’t been primary-verified in-game. Treat as guidance, not gospel.

The Slime Desk · 2026-05-18

Huge Icy FAQ

What is the rarest variant of Huge Icy?
Huge Icy has no documented mutation variants. Effective base for Huge Icy at base mutation is 1 in 86M.
How do these plans handle Luck Boost vs Ultra Luck Potion?
Luck Boost (×2) and Ultra Luck Potion (×3) share the luck-boost potion class — you can only have one active at a time. The planner enforces this exclusivity so you won't see "stack both" plans, since drinking one overrides the other.
Why does the 1-hour plan look so different from 24-hour?
Shorter windows force denser stacks (more potions, higher rebirth, gamepass) to reach the same 90% confidence. Longer windows give the math more rolls to work with, so a leaner free stack becomes viable.
Can I customise this stack for my account?
Yes — the calculator at /luck-calculator lets you toggle exactly your current sources and see live odds. Each plan below has a "Open in calculator" link that pre-loads the stack.