D&D 5E (2014) Building a Better Ankheg

el-remmen

Moderator Emeritus
So I have never (that I remember) used an ankheg as a DM (or faced one as a player). The adventure I am currently running for one of my groups suggests an ankheg encounter and I immediately thought it'd be a great opportunity to finally use one and have my group face off with what I thought of as a big tough solo monster.

But an ankheg really isn't all that tough, not sure why I thought it was (maybe some early edition art colored that perception?). Looking at the 2014 DnD version, I yawned. And the 2024 version was no more interesting.

It doesn't have enough hit points (I am thinking about twice as many on average). It only has a bite as the only physical attack and if it grapples an opponent, it can't bite a different one - nor is there any indication of what it can/could do once it has an opponent in its mouth. It doesn't swallow them or grind them in it mandibles and does more damage. There is no even indication that it can or can't use its acid spray on the grappled opponent (assuming the spray comes from its mouth) or on others. So what benefit does it get to grapple an opponent except to potentially take one out of the fight, assuming it has a tunnel to escape through, since it cannot burrow very fast (not is it clear how it burrows with someone in their mouth).

I think at the very least it should have some kind of claw attack (since presumable it uses its front legs to help dig through earth and stone, they should do damage) and I think once a creature is grappled in its mouth the creature should take auto bite/acid damage each turn, if it does not escape (an additional bite, even at advantage, seems not scary enough). This way, it can hold on to a potential meal, while fending off threats.

I also think it should have some kind of "burst from the ground" ability that lets it surprise foes and knock down/back those around where it comes up.

What do you think? Any suggestions or alternate versions? Anyone wanna take a crack at building a better ankheg? I will a version soon, but wanted to see what others might say.
 
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Let's ask some of our resident monster masters: @Nixlord, do you want to share an Ankheg from one of your books? @dave2008 have you made a properly designed solo version of an Ankheg?

I know that I've run them in terrifying encounters, but I may have added to them on the fly.
 

Have you ever looked at the Flee Mortals! version? It's pretty similar to the one that Matt Colville homebrews in this video:

My Level 3 (2024) party woke up an ankheg at the end of our session yesterday, so next session I am going to try the FM! ankheg on them.
 


The A5E Ankheg is better in my opinion, doing 2d8+3 (12) claw damage with grapple + restraining the target if medium or smaller (DC 13 to escape). Once it has grappled an opponent, the A5E Ankheg has a vicious bite attack for 3d8+3 (16.5) damage.

The 5E and D&D 2024 Ankheg bite damage of 2d6+3+d6 acid (13.5) is a little on the low side. The 5E Ankheg HP of 39 is also on the low side - the 45 HP in A5E and D&D 2024 is good for a CR 2 creature.

Now if you double the HP from 45 to 90 per the original post's suggestion, that shifts it up into the hit point range for a CR 5 creature. At which point for CR 5, you can roughly double its damage to 30 on average per round.
 

Boosting its speed and burrow speed would be a start, these things should be using ambush tactics, rising up to spit some acid and then burrowing away, but they don't have the speed to do so very effectively. The trickiest part of fighting them should be pinning them down before they retreat underground.
 

Have you ever looked at the Flee Mortals! version? It's pretty similar to the one that Matt Colville homebrews in this video:

My Level 3 (2024) party woke up an ankheg at the end of our session yesterday, so next session I am going to try the FM! ankheg on them.
I have this book and steal from it all the time. But I did not even bother to check if it had a version of an ankheg. But I had totally forgotten about this video (I have watched most of MC's videos at least twice) and watching it again, his take on the ankheg is on point and definitely where I will start, assuming someone else doesn't blow me away in this thread. Thanks for the reminder!
 

Now if you double the HP from 45 to 90 per the original post's suggestion, that shifts it up into the hit point range for a CR 5 creature. At which point for CR 5, you can roughly double its damage to 30 on average per round.

This is perfect because the party is level 6 + some sidekicks - and mixed with other potential dangers of the area, CR 5 is closer to right for my needs.
 

I have this book and steal from it all the time. But I did not even bother to check if it had a version of an ankheg. But I had totally forgotten about this video (I have watch most of MC's videos at least twice) and watching it again, his take on the ankheg is on point and definitely where I will start, assuming someone else doesn't blow me away in this thread. Thanks for the reminder!

I have it too, and I remember liking it, but I don't think that I've looked at it in quite some time - and I probably should!
 

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