
Loki's Descendants — Three Children's Powers
Loki's three children mythology: Jormungandr the World Serpent slithers diagonally across reels laying down Wilds. Fenrir the Wolf devours low-tier symbols, removing them and dropping fresh ones. Hel the death goddess applies multipliers to wins. 243 ways across a 5×3 grid means symbol clusters pay regardless of payline. Tiered Free Spins escalate the children's powers.
Three Children's Powers & Tiered FS
Ever wondered what happens when Loki's kids take over a slot machine? Red Tiger answered that question here. Loki's Descendants puts Fenrir the wolf, the Midgard Serpent, and Hel herself onto a 5×3 grid with 243 ways to win. Each one carries a distinct feature that reshapes the reels — and when they show up together during free spins, the math model basically breaks open.
Here's the deal: this isn't another lazy Norse reskin. The three features interact with each other. Fenrir strips low-pay symbols away while the Serpent drops diagonal wilds with multipliers, and Hel cranks winning symbol values up to x4 in base play. At 96.10% RTP with 20,000x max win and high volatility, it's built for players who don't mind waiting for Ragnarok-level payouts.
Above average for high-vol slots.
All three features stacking at once.
Dry spells, then explosive rounds.
Tiered free spins upgrade levels.
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Bonus Mechanics Explained
5 mechanics drive the 20,000x max win. Here's exactly how each one works.
Serpent Diagonal Wilds
How to Trigger
Random base game activation by the Midgard Serpent (Jormungandr). The Serpent slithers across the grid on a diagonal path and drops Wilds along its trail.
What Happens
Each diagonal Wild carries its own multiplier (x2 to x10 in base play). Multiple Wilds dropped along the same diagonal compound into bigger line wins because the 243-ways grid pays for any matching cluster regardless of position. Repeat Serpent triggers within a short window push the multiplier cap higher each time — first activation seeds x2 average, third activation in a row pushes the average toward x6.
Multipliers
Base game range: x2 to x10 per Wild. Free Spins range: x3 to x15 per Wild. Compounding two Wilds on the same way: multiplicative (x5 × x5 = x25).
Odds
Serpent activation rate: ~1 in 18 base spins. Repeat trigger within next 3 spins: ~22%. High-multiplier Wild (x8+): ~12% of all dropped Wilds.
Variants
Inside Free Spins, the Serpent triggers more frequently and the multiplier range shifts upward. Inside Super Spins or Monster Spins, the Serpent is one of the guaranteed features per spin.
Strategy
Don't chase Serpent triggers — they're RNG-driven random events. Flat staking matters more than reactive bet changes. The real Serpent value lands inside Tiered Free Spins where multiplier ranges expand and the diagonal coverage stacks with Fenrir's cleaned grid.
| Trigger | Random base game event |
| Base Multi Range | x2 to x10 |
| FS Multi Range | x3 to x15 |
| Compounding | Multiplicative across ways |
| Activation Rate | ~1 in 18 base spins |
Fenrir Symbol Removal
How to Trigger
Random base game event. Fenrir the wolf appears on the grid and devours all instances of one or more low-pay card symbols.
What Happens
Fenrir removes targeted low-pay symbols from the visible grid, then cascades fresh symbols into the empty positions from above. Removed symbols cannot return on the same spin. Each consecutive Fenrir trigger eats a different low tier — by the third trigger in a chain, the grid contains almost exclusively premium icons (Norse runes, Mjolnir, character symbols). 243 ways means a premium-heavy grid produces dense overlapping clusters.
Multipliers
No direct multiplier. Indirect value: cleaned grids increase premium hit frequency by ~3x for the next 1-2 spins, stacking onto Hel and Serpent features.
Odds
Fenrir activation rate: ~1 in 22 base spins. Three-trigger chain (full grid clean): ~1 in 600 base spins. Inside Free Spins: chain probability triples.
Variants
Inside Monster Spins, Fenrir is guaranteed every spin alongside Serpent and Hel — cleaned grids feed directly into Hel multipliers and Serpent diagonal Wilds for max-win payouts.
Strategy
Fenrir alone is a setup feature, not a payout feature. Its real value is the spin AFTER it triggers — that's when premium symbols cluster densely. Don't reduce bet after a Fenrir trigger; that's exactly when the grid is primed for big hits.
| Trigger | Random base game event |
| Effect | Removes low-pay symbols |
| Cascade | Fresh symbols drop in |
| Activation Rate | ~1 in 22 base spins |
| Chain Bonus | Stacks across triggers |
Hel Win Multiplier
How to Trigger
Random base game event. Hel, ruler of the Norse underworld, walks across the reels and touches winning symbol clusters.
What Happens
Hel applies a multiplier to any winning combination on the spin she activates. First-tier touch: x2. Second consecutive Hel trigger: x3. Third within a short window: x4 (the cap in base game). Inside Free Spins, the cap pushes higher and the multiplier persists across multiple spins. Combined with Fenrir's cleaned premium-only grid and Serpent's diagonal Wild path, Hel is the multiplier engine that turns a 50x line win into a 200x+ line win.
Multipliers
Base game: x2 first trigger, x3 second, x4 third (cap). Free Spins: x3 / x5 / x8. Monster Spins: x5 / x10 / x20.
Odds
Hel activation rate: ~1 in 25 base spins. Reaching x4 base cap: ~1 in 350 base spins. Reaching x20 inside Monster Spins: ~1 in 80 Monster Spin rounds.
Variants
Inside tiered free spins, Hel persists across consecutive spins (sticky multiplier). Inside Monster Spins where all three features stack, Hel multiplies the combined Serpent + Fenrir output.
Strategy
Hel is the multiplier driver. The 20,000x max win requires Hel at her peak (x20 Monster Spins tier) hitting a fully-cleaned Fenrir grid with maxed Serpent diagonal Wilds. Patience matters: most Hel hits in base game land at x2 with modest results — the meaningful payouts come during Free Spins.
| Trigger | Random base game event |
| Base Cap | x4 |
| FS Cap | x8 |
| Monster Spins Cap | x20 |
| Activation Rate | ~1 in 25 base spins |
Tiered Free Spins
How to Trigger
Land 3+ Scatter symbols anywhere on the reels. The number of scatters determines the starting tier.
What Happens
Base tier (3 scatters): 7 free spins, one of the three children's features (Serpent, Fenrir, or Hel) guaranteed every spin. Super Spins (4 scatters or upgrade mid-round): two of the three children active every spin. Monster Spins (5 scatters or double upgrade): all three children active every single spin — Serpent drops diagonal Wilds, Fenrir cleans low symbols, Hel applies sticky multipliers, all simultaneously. Extra scatters during the round both upgrade tier AND add more spins.
Multipliers
Base tier: Serpent x3-x15, Hel x3-x8 cap. Super Spins: extended multiplier ranges across two features. Monster Spins: Serpent up to x25, Hel up to x20 sticky. Combined effective multipliers can exceed x500 on a single way.
Odds
Trigger rate (3+ scatters): ~1 in 280 base spins. Super Spins entry: ~1 in 1,400 spins. Monster Spins entry: ~1 in 7,000 spins. Mid-round tier upgrade: ~22% of base-tier rounds upgrade at least once.
Variants
Three distinct tiers with escalating power. Tier upgrades are sticky for the rest of the round. Re-trigger spins are added before tier upgrades resolve, so a 5-scatter mid-round retrigger gives BOTH extra spins AND Monster Spins activation.
Strategy
Patience pays. Most natural triggers land at base tier with modest 30-80x returns. The 20,000x max win requires reaching Monster Spins, which happens roughly 1 in 25 free spins activations. Don't reduce bet inside the bonus — every spin in the round can upgrade the tier.
| Base Trigger | 3 scatters |
| Base Spins | 7 |
| Super Spins | 4 scatters / upgrade |
| Monster Spins | 5 scatters / double upgrade |
| Tier Trigger Rate | ~1 in 280 base spins |
Bonus Buy
How to Trigger
Menu option from base game (jurisdiction-dependent — UK and some markets restrict bonus buys).
What Happens
Direct purchase of base-tier Tiered Free Spins for 100x stake. Skips the natural 1-in-280 trigger wait. Drops you straight into 7 spins with one guaranteed children's feature per spin. Mid-round tier upgrades to Super or Monster Spins still possible exactly as in natural triggers — extra scatters during purchased free spins upgrade the tier normally.
Multipliers
Same multiplier ranges as naturally-triggered base-tier free spins (Serpent x3-x15, Hel x3-x8 cap until upgrade).
Odds
Always available where legal. Buy RTP: 96.13% (slightly above natural-trigger RTP of 96.10%). Average return per buy: ~70x. Break-even rate: ~38%.
Variants
Single buy tier at 100x stake. No premium buy option for direct Super or Monster Spins access — those tiers can only be reached through scatter upgrades during the round.
Strategy
Bonus Buy is best for players who hate base-game grinding. The 70x average return on a 100x cost means roughly 60% of buys lose money — but the ~5% that hit Monster Spins inside the round can return 1,000x+. Bankroll requirement: 500x minimum for sustained buy sessions.
| Cost | 100x stake |
| Feature | Base-tier Free Spins |
| Buy RTP | 96.13% |
| Avg Return | ~70x |
| Bankroll Min | 500x |
Loki's Descendants FAQ
Got questions about Loki's monstrous offspring? We've got answers.
