|Play’n GO|2023-06-08|RTP: 96.20 %
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Game provider
Play’n GO
Feature Buy
Game type
Video Slots
Mobile version
Grid slot
Sticky wilds
Free spins
Bonus game
Progressive jackpot
Min. bet
Random Feature
Max. bet
Maximum win
Last update
March 28, 2023


1 vote - 4.00/5.00

Join a superhero trio in saving Victory City from impending doom on the video slot from Play’n GO, Ternion. Answer the call with Marvelosa, The Incredible Wonder and Windstorm, and witness spin-modifying superpowers of random wilds, full reel wilds and low-paying symbol removal. Collect crystals during free spins and charge enhanced powers for more potential, bolstered with multipliers and super spins of multiple effects for wins of up to 11,111x your bet.

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Slot Details

Ternion is a video slot with 5 reels, 4 rows and 20 pay lines. Match three or more successive symbols along lines from left to right for a win. You can fight for Victory City from 0.20 to 100 credits per spin. This game has a 9/10 high-volatility rating and a 96.20% RTP. Alternative RTP designs exist at 94.20%, 91.20%, 87.20% and 84.20%. Click the ‘?’ icon upon loading a Play’n GO slot to find the RTP version in play.

Victory City is under attack, and the Ternion team of superheroes, Marvelosa, The Incredible Wonder and Windstorm, are its only hope. Answering the call in beautifully crisp artwork, superpowered features tie neatly into the game under bleak skies, a futuristic cityscape and dramatic music.

Ternion Slot Screenshot
Ternion Slot – Base Game

The pay symbols start at the low end with 10, J, Q, K and A, awarding from 1.5x to 2.5x your stake for five on a pay line. A purple crystal symbol follows, along with three hero characters in blue, green and red, and five-of-a-kind will pay from 8x to 80x your bet.

Wilds appear as a gold W emblem via random features in the base game and on the reels during free spins. Wild symbols substitute for all others except the bonus scatter, which triggers free spins for landing three or more on a spin.

Ternion Slot Features

Play’n GO’s Ternion follows hundreds of games from the Swedish-born studio, which has grown into one of the biggest names in the business, delivering new online slots weekly. Reason enough to keep an eye on the studios’ developments and a closer look at Ternion.

Your basic game spin will see you matching three or more symbols along pay lines for a win. Wild symbols do not feature on the reels in the base game, appearing from random features instead. On any spin, one of three Random Hero Superpowers can trigger as the reels roll:

  • Ice Shards: Spawns 3 – 10 wild symbols in random positions.
  • Blade Flurry: Removes all low-paying symbols from the reels.
  • Pillars of Flame: Turns 1 – 4 reels into wild symbols.
Ternion Slot Screenshot
Ternion Slot – Blade Flurry Random Feature

Furthermore, on any base game spin, the Call For Heroes feature can activate to guarantee two scatter symbols will land on the ensuing spin, needing one more to trigger the bonus.

Land three or more bonus scatters to trigger the Doomsday Free Spins. Three, four or five scatters award 8, 10 or 14 free spins, respectively. During the round, Hero Superpowers are more powerful than in the base game:

  • Super Ice Shards: Spawns 3 – 20 wild symbols in random positions.
  • Super Blade Flurry: Removes all low-paying symbols plus crystal symbols from the reels.
  • Super Pillars of Flame: Turns 1 – 5 reels into wild symbols.

Crystal symbols are collected in a Crystal Charger to increase Superpower potential. Collect five crystal symbols during spins to trigger a Superpower on the active spin. Filling the Charger on the first two occasions triggers one Superpower from the selection. The third and fourth times of filling the Charger award two Enhanced Superpowers, and the fifth onward activates all three at once.

Ternion Slot Screenshot
Ternion Slot – Doomsday Spins

Wilds feature on the reels during free spins. Wilds that land on top of one another as a result of a Superpower, increase a win multiplier by x1 increments, which is applied to any wins on the spin. Hit three, four, or five scatters on a free spin to win an extra 4, 5 or 7 free spins, up to a maximum of 38.

Final Verdict

Ternion showcases Play’n GO’s finest art and production in a fantasy theme, with superhero powers woven into random features of symbol transformation, random wilds and full reel wilds. More powerful features can be triggered during Doomsday Spins, complemented by a spin win multiplier should your superpower cover other wilds. Epic hits will surely come by collecting enough purple crystals to activate two or three powers.


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