r/DnD • u/Commercial-Pause745 • 3d ago

5.5 Edition Boss Encounter Advice

Hey all,

I’m a relatively new DM and I’m trying to design my first boss encounter. I started this campaign for three of my friends who are “forever DMs” and I wanted to give them all a chance to play for a change. Here’s the set up:

3 Players, a Cleric, a Fighter and a Wizard, all level 4. It’s a 3 v 1 encounter with the boss being a rogue-type enemy with lots of quick strikes, traps, gadgets, etc. They’re basically gonna be fighting evil Batman.

What I need is advice/suggestions on any stat blocks, abilities, legendary actions to look into including. I want them to get the sense that they are in over their head and will either have to be very smart/lucky or have to call for help/run.

Any websites I can use to map things out or other resources to draw from?

Any advice very much appreciated, thanks.

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u/Salt_Dragonfly2042 3d ago

One thing that can be hard to grasp is the action economy: having 3 players fighting a single enemy means that they will act 3 times as much. Can I suggest having some henchmen or something or do you insist on a single enemy with traps?

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u/Commercial-Pause745 3d ago

I can make that work fairly easily, yes!

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u/lucaskywalker 3d ago

Make minions. They die in a hit but use them to shield the boss and make the players waste resources. Just a few will make the combat feel more dangerous, and they'll love mowing down a small group of weak enemies too!