1 Gems as Obstacles 1

Beamcaster · Beam source ×13 · Gem ×2 · Gem slot ×2
Hint 1
No pieces need to move: finding the route is the puzzle.
Full solution · 11 steps
- Gemsman ↓ · → · ↑ · ← · ↓ · ← · ↓ · ← · ↓ · → · ↓
8 puzzles on the low layer, 7 with solutions. Heroes: Beamcaster, Druid, Warrior, Bard, Priest, Thief, Hero.
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Beamcaster · Beam source ×13 · Gem ×2 · Gem slot ×2
No pieces need to move: finding the route is the puzzle.

Druid · Warrior · Beam source · Goblin ×3 · Boulder · Gem · Gem slot
Heroes in order of first use: Warrior → Druid. Pieces that end up somewhere new: the beamcaster and the block. 4 other pieces stay where they start.
Start: push the left beamcaster up 3 tiles, push the left beamcaster down and push the left block up 4 tiles.
Finish: push the left block right 5 tiles, push the left block down 3 tiles and move the left block right 3 tiles, then head for the exit.

Beamcaster · Boulder ×3 · Cart
Pieces that end up somewhere new: all 3 blocks and the cart. 1 other piece stays where it starts.
Start: move the bottom right cart right.

Bard · Beamcaster · Priest · Druid · Gem ×68 · Dragon ×2 · Elevator · Lift ×2

Beamcaster · Thief · Gem ×34 · Button ×9 · Gate
Heroes in order of first use: Gemsman → Thief. Pieces that end up somewhere new: 3 of the 34 gems. 31 other pieces stay where they start.
Start: pull the right top-right gem left, pull the 2nd right gem from the left left 2 tiles and pull the 5th bottom gem from the left left 3 tiles.

Beamcaster · Priest · Gem ×42 · Goblin ×7
Opens after Gems as Obstacles 5
Heroes in order of first use: Gemsman → Priest. No pieces need to move: finding the route is the puzzle.

Beamcaster · Hero · Gem ×26 · Lift ×2 · Elevator
Heroes in order of first use: Gemsman → Hero. Pieces that end up somewhere new: 3 of the 26 gems. 23 other pieces stay where they start.
Start: push the 7th middle gem from the left down, push the 7th middle gem from the left left and push the 1st bottom gem from the left up.
Finish: push the 7th middle gem from the left right, push the 7th middle gem from the left up and push the 1st bottom-right gem from the left up 2 tiles, then head for the exit.

Beamcaster · Hero · Mirror ×2 · Gem · Gem slot
Heroes in order of first use: Hero → Gemsman. Pieces that end up somewhere new: both mirrors and the gem.
Start: push the left bottom mirror left, push the left bottom mirror up and push the right bottom mirror up 3 tiles.
Finish: push the right bottom mirror right, push the left bottom mirror left 3 tiles and push the right bottom mirror up 5 tiles, then head for the exit.