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divine · 1 in 215K base

Best stack for Aegis.

To roll Aegis with 90% confidence in 8 hours AFK, the leanest free stack is R3 + Ultra Luck + 2× Gamepass + Lucky + Huge Lucky, finishing in roughly ~5.1 hrs. Want it faster? Add potions or a gamepass; the table below ranks tradeoffs.

Math transparentCited per source

Three winners, three constraints

Fastest
Lowest time to 90%
~10 min
R7Ultra Luck2× GamepassLuckyHuge LuckyBig DiceAppleRoll Speed
99 R$ · 3 consumables · > 99.9% conf
Open in calculator →
Cheapest
Lowest Robux
~5.6 hrs
R4Ultra LuckLuckyHuge Lucky
Free · 1 consumable · 96.3% conf
Open in calculator →
Simplest
Fewest additions
~5.1 hrs
R3Ultra Luck2× GamepassLuckyHuge Lucky
99 R$ · 1 consumable · 97.4% conf
Open in calculator →

Stack scales with AFK time

WindowStack (fastest path)Time to 90%Reachable?
1 hR6 + Ultra Luck + 2× Gamepass + Lucky + Huge Lucky~50 minYes
4 hR4 + Ultra Luck + 2× Gamepass + Lucky + Huge Lucky~2.8 hrsYes
8 hR3 + Ultra Luck + 2× Gamepass + Lucky + Huge Lucky~5.1 hrsYes
24 hR1 + Ultra Luck + 2× Gamepass + Lucky + Huge Lucky~16.8 hrsYes

Why this stack ranks first

Aegis has a base drop rate of 1 in 215K 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.

The plan above uses a luck multiplier of roughly ×6429.8, pulling effective odds to 1 in 33. Across 7.5 rolls/min for 8 hours, that clears 90%.

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

Aegis deserves a retained stack page because it combines late-game tank value with a Huge variant path. The stack choice matters for both survivability now and a much deeper endgame chase later.

Best account stage

Aegis fits players who can already reach divine targets and want a durable roster anchor before pushing into prismatic damage. It is not an early-account target, but it is still reachable before Huge odds.

Source caution

Aegis stack advice is based on recorded base odds and the planner model. Source disagreement should stay visible if future references revise divine odds or variant multipliers.

Nearby target difference

Aegis differs from Wicked because Wicked is a cleaner damage prize, while Aegis is a tank and Huge gateway. The best stack page should explain that slower utility payoff instead of ranking only speed.

Common mistake

The common mistake with Aegis is chasing Huge Aegis immediately after the base pull. Most players should use base Aegis first, improve the luck stack, then return to the Huge version later.

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

Aegis FAQ

What is the rarest variant of Aegis?
Aegis has Shiny ×250, Huge ×1,000, Inverted ×2,500. Effective base for Aegis at base mutation is 1 in 215K.
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.