The winning line

Just over half of this pokie’s 96.50% return is buried in a 10 spin bonus that cannot retrigger. Mind you, the 100× Buy runs at 96.52%, which actually sits above the base game. Check you’re on the top build first. Then buy the round only at a stake your stash can cover five times over, and bank the lot if the bonus gets past its 100× ticket price.

Working both floors

Eternal Empress basically runs two different economies. Downstairs, the base game has Money wilds worth up to 250×, with a Ruby scooping the lot in one hit. Upstairs is Freeze Time, where the values get chopped back to 1× to 50×. So the feature with its name on the tin works with smaller banknotes, while the biggest single collects are sitting downstairs. Every move in this plan follows that split.

Step 1 — Open the hourglass rules and confirm 96.50%

This title comes in three certified builds. You’ve got 96.50% and 95.50%, plus 94.50% according to FruitySlots. Cycling A$100 through those versions costs A$3.50, A$4.50 and then A$5.50 in theory. Look, the Step 3 buy case only works because the published 96.52% buy figure beats the 96.50% base. There is no published buy figure for the cheaper builds. Drop below the top version and the plan is dead, not merely worse.

Action: Open the (i) info panel at your AU facing casino before depositing a cent. Read the theoretical RTP sentence in the game rules and make sure the number is the one you came for. Watch for: Then check the second RTP line. That’s the one pricing BUY FREE SPINS at 96.52%. Decision branches: If the rules show 96.50% and the buy line shows 96.52%, the full playbook is live. If you see 95.50% or 94.50%, honestly, take Eternal Empress somewhere else or choose another pokie because the buy edge on those discount builds is unverified. If the Buy button is missing at your casino, which is common while a deposit bonus is active, you’re stuck with the grind lane and the Step 2 budget.

Step 2 — Grind the Ruby collects where the 250× wilds live

The base floor hits on 22.93% of spins, or about 1 in 4.36. That’s pretty friendly for a 5 of 5 volatility rating. The ugly bit is what happens between bonuses: the machine gives back roughly 42 cents per dollar because more than half the game’s equity is sitting behind that 1 in 177 trigger. Really, the grind lane is a Ruby hunt while the scatter clock ticks away in the background.

Action: Size the stake so your stash covers 350 spins. That’s A$70 at A$0.20 or A$700 at A$2.00. That bankroll gives you about an 86% chance of seeing at least one organic bonus. Watch for: Watch for wild values of 62.5× and above on reels 2 to 4. The top end starts at 62.5× and runs through 100×, then 150× and 250×, and none of those tiers exist upstairs. If a Ruby is sitting on reel 1 or 5 in the same view, that’s the payday. Decision branches: If one collect lands 100× or better, bank it. No Freeze Time symbol can match that per wild value, and you’ve already beaten the average bought bonus. If 350 spins go by without a trigger, well, the budget is cooked. Walk on the walk away numbers below and do not top it up. If the two floor swing runs too rich for the stash, get out. Big Bass Bonanza Sure, it runs the same money collect DNA, but the variance is softer and there’s a retrigger ladder on top.

Step 3 — Buy the free spins at 100× and budget five of them

This is the second pokie on this desk, after Devilicious, where the button flat out beats the base game on the numbers. The buy costs 100× (A$200 at A$2.00) and returns 96.52%, so the expected A$193.04 back leaves each ticket costing about A$6.96 in expectation. Grinding to one organic trigger takes 177 spins on average and burns roughly A$12.40 in expected loss at the same stake. So, honestly, the button is the cheaper route into that EV pocket. Still a lottery ticket, though. You get 10 spins, there is no retrigger, and most rounds finish below what you paid. One practical catch: at the A$240 table maximum, a buy costs A$24,000. That is beyond most cashiers’ single transaction ceilings, so the casino sets the real buy cap, not the game.

Action: Set the stake so the stash can wear five buys. A$100 gives you five tickets at A$0.20, with A$20 each. A$1,000 does the same job at A$2.00. Watch for: the guaranteed 3 or 4 hourglass scatters on the buy spin. Either way, you start with the same 10 free spins. Decision branches: Look, if the stash covers ten buys or more, alternate one buy with a 50 spin grind block so the downstairs collect tiers still get a run. If the stash cannot cover five buys at the chosen stake, cut the stake until it can. A$0.20 makes each ticket A$20. Chasing a five figure multiplier instead of buy economics changes the question completely, because this cap stops at 4,888×; Big Bass Splash carries 5,000× with retriggers, at standard buy pricing.

Step 4 — Inside Freeze Time, price the locked screen at 50×, not 250×

A Clock on reel 1 landing with a Padlock on reel 5 during the same free spin fires Freeze Time. Every Money symbol from that spin stays locked, then the game respins without touching the 10 spin count until Clock and Padlock land together again. Ruby collects keep paying between respins, same with way wins. Mind you, the value set puts a hard ceiling on the dream screen. Feature values only run 1× to 50×, while the 40× and 62.5× to 250× tiers are stripped out (per Pragmatic Play game rules). A full screen of locked 250× wilds is not just unlikely, it cannot happen.

Action: Score the round against what it cost to enter. A bought bonus is settled at 100× (A$200 at A$2.00), and once it gets above that, you are protecting profit. Watch for: the win counter getting close to 4,888×. Hit the cap and the round ends immediately, with every unused free spin gone. Decision branches: If a bought round gets past 100×, that cycle is done. Pull the ticket price back out of the balance before buying again. If it lands 1,000× or better, well, that is roughly a 1 in 189,043 event (per BigWinBoard). Close the tab. The session has already peaked. A round dying below 20× still counts against the five buy budget, so there is no mid series top up. If organic only discipline suits the wallet better → Queen of Gods, from the same partner studio, has no buy at all. To be fair, that makes the point without any mucking around.

The maths behind the split

EV decomposition (DERIVED): the buy averages 96.5× back from a 100× ticket (DIRECT, in game rules). Treat an organic round as being worth about the same and free spins contribute roughly 96.5 divided by 177.24, which is about 54 points of the 96.50% RTP. That leaves the base floor sitting near 42. Frankly, a punter who quits before seeing any bonus has spent the night playing a 42% machine.

Buy versus grind (DERIVED): one buy loses 100 × 0.0348 = 3.48× stake in expectation, or A$6.96 at A$2.00. Grinding to one average trigger loses 177.24 × 0.035 ≈ 6.2× stake, about A$12.40. So the button saves roughly 2.7× stake for each bonus reached. Sure, that saving matters, and so does the 0.02 point RTP gap. That is the whole edge. It only exists on the 96.50% build.

Look, the distribution is lopsided (ESTIMATED). With a 22.93% hit rate, an average winning spin pays about 4.2× bet, but the median is nowhere near it because Ruby collects and the bonus drag the mean higher. No public standard deviation exists for this title. There is no community tracked RTP sample either, so every figure above comes from producer maths or is derived from it.

Tails (DIRECT): 1,000× plus rounds show up about 1 in 189,043 spins, while the 4,888× cap is roughly 1 in 77,519,380. Honestly, the cap barely moves variance per spin, adding roughly 0.31 in squared bet units (ESTIMATED). Most of the damage comes from chasing the bonus and those lower collect tiers. On the top build, the house keeps 3.5 cents from every dollar cycled.

Four ways punters cook the plan

1. Chasing a retrigger that does not exist. The rules bar retriggers outright, so budgeting a round around one more hourglass is dead money and warps the Step 4 exit maths.
2. Pricing the buy on downstairs values. The 62.5× to 250× wilds never enter Freeze Time. A punter who pays A$200 expecting a locked screen of 250× symbols has bought a feature that tops out at 50× per wild.
3. Stake-doubling through a dry stretch. Between triggers the machine pays about 42 cents per dollar; jumping from A$2 to A$4 in a drought doubles the burn at the worst return the game offers.
4. Treating the 4,888× cap as pure upside. A round that touches the cap ends instantly and torches every remaining free spin; near-cap runs truncate instead of compounding.

The walk-away numbers

Five-buy floor: Five bought rounds all under 50× means you are done for the night. At A$2.00, that is A$1,000 spent for under A$500 back. Mind you, buying a sixth ticket changes nothing because it carries exactly the same odds as the first. 350-spin grind budget: The organic lane gets 350 spins. That is it. Bonus or no bonus, winning or losing, once those spins are gone the lane is finished. The 60% line: Session stash down 60% (A$600 gone from A$1,000) means out. To be fair, it does not matter which lane did the damage. Four-figure round: Any round paying 1,000× or better means close the tab. The maths says this session is not topping it.

Strategy by Dave Holloway, Floor Veteran. Last updated: 14 Aug 2026.
18+. Gamble responsibly. Gambling Help Online, 1800 858 858 | Lifeline 13 11 14.