Questions tagged [battle-map]

For questions about maps used for visualising a battlefield during combat, often with grids and used in combination with miniatures or tiles. Not to be confused with the [maps] tag, which is for maps of larger areas, like city or world maps.

Filter by
Sorted by
Tagged with
64
votes
16answers
72k views

I dislike how players accurately place fireballs. Is there an alternative?

I'm running 5e on a grid with minis. The one thing that I hate is when sorcerers or wizards cast a fireball that perfectly hits enemies in the AOE. The player counts the squares on the grid to ...
36
votes
8answers
142k views

How do I map a 15' cone to a 1" grid?

I've been playing 5e for a while now, and mercifully this hasn't come up yet, but it's definitely on it's way. When a caster casts burning hands, how is that properly mapped onto a standard 1" battle ...
36
votes
6answers
10k views

Is weapon reach measured from the edge of the mount's space or the rider's?

So, if a medium or small creature, like a PC, controls 25 square feet, (a 5×5' area) and a large creature, like a horse controls 100 square feet, (a 10×10' area) and tactical combat takes place on a 5'...
35
votes
3answers
7k views

How do I help players frustrated by darkness in Roll20's dynamic lighting?

I recently moved my pathfinder 1e campaign online. After some experimenting I decided that the Roll20 dynamic lighting system was worth the investment. However during our first session using the ...
34
votes
6answers
23k views

What are the ramifications of replacing a square based combat grid with a hex based one?

I have a personal preference for hexes over squares - the latter present some problems in terms of diagonal movement, and aliasing for certain area effects, that are just handled better with hexes. ...
32
votes
4answers
7k views

Do you have to have figures when playing D&D?

I am pretty new to playing D&D and our DM does not use figures with a grid, so we kind of use our imagination. According to the official D&D rules, are we doing it wrong?
30
votes
8answers
38k views

How do I make my own battle mats?

Premise: I live far from the US, and for me, paying U$S20+shipping for Chessex Battle Mats is out of the question (I just spent U$S 114 for a full lineup of DnD Essentials, and this extra expense ...
30
votes
5answers
49k views

What do I need to set up and use a projector as a tabletop?

I have a really nice projector for my home theater, and I am considering using it for a tabletop gaming setup as well. What do I need to know about mounting it? What are the tricks or issues? What ...
29
votes
6answers
5k views

When did 5 foot squares become standard in D&D?

Perhaps showing my age here, but in "The Good Old Days", 10-foot squares were a standard map size. Each square on the map was 10 feet, and a 10-foot wide corridor was normal. Now, having started ...
27
votes
12answers
5k views

How can I secretly notate which squares on a combat map are traps?

The party has ventured underground. One of the civilizations where they are is kobolds. I (GM) went trigger-happy with pit traps, falling block traps, and a couple of others. The kobolds have one path ...
26
votes
3answers
3k views

How can we allow remote players to effectively interact with a physical tabletop battle-map?

Part of our in-person tabletop group moved six hours away mid-campaign. We've been dealing with the distance by having multiple laptops set up, one with the players on the screen and the camera ...
26
votes
2answers
5k views

Is it impossible to flank a large creature on a hex grid?

DnD 5e has optional rules for flanking that includes guides for how it works when using a hex-grid tactical map: On hexes, count around the enemy from one creature to its ally. Against a Medium or ...
25
votes
7answers
26k views

How can I clean a stained battlemat?

I just bought a brand new $40 Chessex Battlemat. Instead of reading the included paper I just assumed that Crayola "WASHable markers" would easily wash off. Now I have a brand new mat covered in ...
21
votes
4answers
3k views

How do I balance detailed encounter maps with not wanting to give away my dungeon layout?

I'm in the process of designing a Megadungeon, and it seems like people run large dungeons like this using the theater of the mind to avoid giving the layout away and allow players to explore, get ...
21
votes
8answers
26k views

How best to progressively reveal the layout of a location to players?

I have been gamemastering tabletop RPGs for years now, but I'm still wondering what is the best way to deal with this. Specifically: how to graphically describe to your players their surroundings ...
20
votes
3answers
2k views

Playing on a grid, is this situation 1/2 or 3/4 cover?

We have four medium creatures, blue (1), green (2), yellow (3), and red (4), positioned like so: We want to asses the relative cover between blue and red. The rules for determining cover on a grid ...
20
votes
1answer
881 views

Can you flank from above?

If a character is on top of a creature, does this count for flanking? Context: a group I play in was killing a dragon, and one of my fellow players (a fighter) grappled it and hung on to its neck. One ...
19
votes
8answers
4k views

Could a "Fog of war" prop break a game in any way?

I'm going to run the Pathfinder's Beginners Box scripted adventure that has a dungeon map printed. This is not only the first time GMing, it's my first time playing an RPG. All of the party are new ...
19
votes
4answers
79k views

What is a radius on a square grid?

So last night, my D&D group ran into an interesting question. The spell Entangle says: Area: plants in a 40-ft radius spread. We (like a lot of people, I think) play D&D on a square grid, ...
19
votes
3answers
6k views

Mapping software for dual monitors [closed]

I'm looking for a piece of software that will allow me to show a player map on an external monitor and a GM map on my laptop screen. I don't want to be dragging the player map back and forth from ...
18
votes
6answers
2k views

Can a character relay a distance to another character in exact feet/squares?

This weekend while playing, our wizard found an invisible creature (detected with see invis) and when asked where it was by the party, the player started counting the squares to give an exact measure ...
18
votes
2answers
2k views

Is a map/grid required for all actions?

I'm playing 5th edition D&D as the Dungeon Master for my son and his friends, and I have never played the game before. Is a map/grid required for all actions? If, say, one of the players is ...
18
votes
1answer
2k views

How is movement calculated when running up walls as a monk?

Picture this circumstance. I am a 5 foot tall level 9 Wood Elf Monk with Mobile. I have 60 feet of speed per turn, via: 35 feet from Wood Elf feature 10 feet from the Mobile feat 15 feet from being ...
17
votes
2answers
1k views

How can I efficiently manage Ship to Ship Tactical Combat and Boarding?

I'm planning a campaign that will involve a fair amount of ship to ship combat and boarding. My group is accustomed to using a square grid battle mat, and I'm concerned about the mechanics of the PC'...
17
votes
1answer
2k views

Is the Kolat Towers map properly drawn?

In Waterdeep: Dragon Heist, players can access a zone known as Kolat Towers. The map (on p. 151) is drawn strangely though. It seems like the 2nd floor is not aligned with the 1st floor. Not very ...
16
votes
5answers
5k views

How to get dry-erase marker out of a wet-erase mat

Help! I have a wet erase playing map, and someone accidentally wrote on it with dry-erase markers! (Don't worry, I transported the player to a realm filled with hungry Tarrasques, and people who ...
16
votes
3answers
2k views

Are unusually long jumps possible by RAW?

I am slightly confused about how far a PC can jump in combat. On page 182, the PHB defines the mechanics of the long jump: When you make a long jump, you cover a number of feet up to your Strength ...
16
votes
2answers
983 views

How to rescale a grid in Foundry VTT and keep the doors/walls?

I've discovered an issue when importing maps from D&D Beyond into Foundry VTT via the VTTAssets: D&D Beyond extension. The map imports 100% correctly in that it brings in walls and doors, as ...
15
votes
6answers
2k views

What happens when you step off the battle map?

D&D 4th Edition is heavily map-based in combat, right down to dungeon tiles and insert maps and the like. But what happens if a creature moves off the map, either willingly or through forced ...
15
votes
3answers
8k views

How do I target the Moonbeam spell, using a grid?

So, as my title implies; If you shoot a Moonbeam at an enemy standing in a square, would the area covered by the Moonbeam be just that single square, from one of the corners 2x2 or mid-square 3x3 ...
15
votes
3answers
10k views

Pre-built square-grid maps?

I will be running a 4e adventure tomorrow night. The adventure will take place in Fallcrest. One of the main sites will be a Raven Queen temple in the city. I need to put together a map of the ...
15
votes
5answers
8k views

Are there any online virtual tabletops with 2.5D or 3D views? [closed]

Currently my group uses Roll20.net for online gaming but I want something more visually appealing and variable. I found a list of VTTs but the only alternatives to top-down is a 3D virtual tabletop ...
14
votes
5answers
3k views

Would changing world scale have unintended consequences?

Context I've started planning for my Christmas one shot, I had the idea of playing a toybox adventure (think toy-story or nutcracker) with custom races for each type of toy and using giant stats for ...
14
votes
6answers
891 views

How can I run a combat on a small sphere?

In an upcoming campaign I'm planning, I would like a combat encounter to take place on a small sphere, with gravity pointing in towards the center. I'd like a sphere about 50' in diameter - something ...
14
votes
3answers
1k views

to share or not to share maps with players [closed]

Being a GM who loves cartography, architecture and drawing, I often have amazing (battle-)maps for my players whereabouts (cities, dungeons, rooms, a lighthouse, a long-forgotten overgrown jungle ...
13
votes
2answers
2k views

Are there any problems using a mix of hex and square grids on a map?

I'm creating some maps with a 5ft hex grid and hoping to keep them system agnostic. There are some rooms that have a shape that doesn't fit the hex grid well and would fit a square grid much better. ...
13
votes
3answers
14k views

What space does the spell Cloud of Daggers fill?

I am trying to workout what template cloud of daggers (PHB, p. 222) would be on a grid. The spell states: You fill the air with spinning daggers in a cube 5 feet on each side, centered on a point ...
13
votes
3answers
7k views

Is this the correct way to resolve a missed Ice Knife?

Ice Knife: Make a ranged spell attack against the target. On a hit, the target takes 1d10 piercing damage. Hit or miss, the shard then explodes. The target and each creature within 5 feet of the ...
13
votes
2answers
1k views

How long is it safe to leave marker on a Chessex battle map?

I have a Chessex battlemap and it's been working great. Sometimes, though, I want to prepare maps in advance to save time during the session. However, I know that marker left on the mat for too long ...
13
votes
2answers
1k views

Does an aura affect all creatures including ones only partially in the aura?

In the image below, I have a paladin with a 10 foot aura of protection. I have three characters labelled 1, 2 and 3. We have been playing that character 2 and 3 would be in the aura, but character 1 ...
13
votes
1answer
1k views

When a druid reverts to their normal form having wild shaped into a Large beast, can they choose which square they occupy?

When a druid reverts to their normal form they appear where their beast shape was. But if their beast shape was Large and their normal form is Medium, can they choose which of the four squares they ...
13
votes
6answers
41k views

20 foot square versus a 20 foot circle on a battle mat

A druid in my game used the Entangle spell, and it was pretty easy to know how a 20' square rendered on a battle mat with a 5' spacing grid. Now he also knows Spike Growth... The Spike Growth effect ...
13
votes
3answers
907 views

How can I show the effects of illusions in Roll20?

My players are approaching a battle with Fraz-Urb'luu, who will have prepared the battlefield in some manner using an effect like Mirage Arcane and several other illusions and deceptions. Given that ...
12
votes
6answers
3k views

How can I manage maps for battles that happens in streets of a city?

I am preparing a D&D campaign for a group of 4 PCs and in one part of the campaign, there is a possibility that they may fight against the local guards in the streets of a city. I can draw a ...
12
votes
2answers
10k views

When using a battlemap, can a lightning bolt be directed between squares to affect both?

Lightning bolt is listed as having a width of 5 feet. When using a battlemap, can the line of the spell be directed between squares to affect creatures on both sides with full damage? Does ...
12
votes
1answer
1k views

The Gust of Wind spell creates a 10-foot-wide line of wind originating from the caster; how do I center it on a 5-foot grid?

Characters are on a grid where every square is 5 feet on each side. The description of the gust of wind spell says: A line of strong wind 60 feet long and 10 feet wide blasts from you in a direction ...
12
votes
4answers
1k views

Does GURPS tactical combat work well with miniatures but without a hex grid?

I am looking to start a GURPS game. I also have caught the DM crafting bug. I'd like to use my gridless material, so far used for minis and Savage Worlds, with GURPS. Has anyone used GURPS tactical ...
12
votes
3answers
2k views

How do I handle the math of hex maps?

I'm having trouble calculating distances on hex-mapped worlds. The math, even at the regional scale, is difficult. But I'm also interested in distances at the world-scale. I'm targeting icosahedral ...
11
votes
4answers
1k views

Can a Medium-sized creature effectively block a 10-foot-wide hallway by standing in the middle of it?

Playing on a grid, imagine a 10-foot-wide hallway. Can a Medium creature stand between the grid squares, effectively leaving 2.5 feet on each side? Or does the creature have to "hug the wall"...
11
votes
2answers
100k views

What size is the standard grid used when playing D&D 5e?

What size are the standard grids in those roll-up mats people use for D&D 5e and thus what radius / diameter should the base of a miniature be for easy usage?