Place the Piston Trap on the ground. Surround it with 4 Soul Torches (one on each side, 2 blocks away).
Assumption: you mean a Minecraft-style piston trap called the “Lovely Craft piston trap” and “mal0” is an item/entity/signal name used in that trap (interpreted as a redstone signal or custom item). If you meant something else, say so. lovely craft piston trap how to get mal0
Interpretation: “mal0” = a named item (e.g., item named "mal0") or a short redstone pulse label. Two quick methods: Place the Piston Trap on the ground
If the trap didn't work, check these common mistakes: Use observers for instant detection (e
| Problem | Solution | |---------|----------| | Wrong biome | You must be in a Dark Oak Forest. Not plains, not desert. | | Sanity too high | Lower your sanity by staying in the rain without armor. | | Using the wrong trap | Ensure you crafted the modded "Piston Trap," not a vanilla sticky piston. | | Daytime | Mal0 only spawns between midnight and 3 AM. Use a bed to skip to night. | | Multiplayer issues | Mal0 only spawns for the player who built the trap. Others won't see it. |
In Cult of the Lamb, there isn't an item literally called a "Piston Trap," but there are Pistons (a specific weapon type) and Traps (curse abilities). It is highly likely you are referring to the Piston Weapon or the Trap Curse.