Collapsed Castle Bonus Buy Slot by Evoplay

The shaped grid runs 3-4-4-4-3, giving reels 2 through 4 an extra row compared to the outer columns. Symbols cascade in from the top, and winning combinations explode to make room for new drops - standard tumble behavior, but the Magician symbol adds a layer that makes each cascade chain matter more than usual.

Magician symbols land on any reel and reveal a value when they appear: +2, +5, +10, or +25. That value adds directly to the win multiplier tracked in a purple orb beside the grid. Every winning combination in the same spin gets multiplied by the current value. In the base game the multiplier resets to 1x at the start of each spin, so the buildup only lasts through one cascade sequence. During free spins, it carries over between rounds and never resets.

That persistence is the entire point of the bonus. Ten free spins with a multiplier that keeps climbing means later spins hit harder than earlier ones, and any Magician symbol that shows up during a cascade chain pushes the number higher for everything that follows. A +25 Magician landing mid-chain in a late free spin, when the multiplier is already at 15x or 20x, changes the math for every remaining win in the sequence.

Scatters appear only on reels 1, 3, and 5, and three of them trigger the feature. The buy bonus costs 39x total bet. With its shaped grid and the multiplier carry-over, the free spins round has a clear arc: early spins build the multiplier, late spins cash it in.