if the workbench toolbox goes into the rift you need to wokr very hard to get it. should not be able to go into the rift.

Toolbox rolled over and fell into Boss pit

A Toolbox from the Workbench fell into the Boss Pit(before the activation of the boss). It was unretrievable

the tool box is no longer able to be reached

Workbench in boss room, D1, level 4. Toolbox spawned above boss altar. dropped the toolbox and it fell into the pit and could not be retrieved

workbench toolbox can fall into the boss area that pushes you back and you cant get it

toolbox permanently lost in boss pit

toolbox spawned above boss rift, and fell in permanently screwing us out of a toolkit

Workbench toolkit can fall in boss pit; can't mine through the edges of it, can't jump in, no obvious way to get toolkit back.

the workbench box may fall into the hole