Complete solution with answer and video walkthrough
I'll build a bridge over this lava river with my telekinetic powers
Drag the broken pieces and repair the bridge.


I must pass through the fire

Alyx must cross this lava river

Well, well, well... We meet again

Gundolf Puzzle. Put the correct alchemy formulas

They must find a way to climb up there

Gundolf Puzzle. Fix my voodoo doll

They must defeat these imps

Dracula needs more power to open that door