3
votes
2answers
181 views

How far does trap searching extend?

How far does trap searching (Passive or Active) extend? I.E If PCs enter a 30x30 room, and the perception beats the DC of a trap on the other side of the room do they see it?
26
votes
11answers
3k views

Traps specifically for Smart characters

Does anyone have examples or suggestions on creating traps that are harder for Smart (High INT/WIS) characters? Example: My NPC necromancer has set up his lair. In his arrogance he believes that ...
6
votes
1answer
482 views

How can a Sphere of Annihilation be detected, and how can it be “disarmed”?

I'm reading the DnD Essentials DM Book, and on the Sphere of Annihilation stat block, it mentions several things I don't exactly know how to read: The sphere has "Detect automatic". Does this mean ...
5
votes
1answer
951 views

Are there any free tools for designing encounters or traps?

I'm trying to design a module and I was wondering if there were any free or open source encounter or trap designers for D&D 4e Mostly I just like something that lets me fill in the blanks and ...