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I've been working diligently on creating a monster converter for Pathfinder to 5e: 5e Monster Converter
I have based my converter off these conversion rules.
The goal of this converter is to give a pretty solid guestimate of all the basic features of creatures and as many advanced features as possible.
How it works: Copy a whole stat block from either PFSRD or an adventure path book into the textarea. It will automatically convert. If it does not please open your console (F12) and let me know what error you got.
The converter currently does all these basic things:
- Size, Type, alignment
- AC
- HP, HD
- Speed
- Abilities (Str, Dex, Con)
- Skills
- Senses
- Languages
- Challenge
- Traits (some)
- Multiattack
- Attacks
- Special Attacks (some)
Some items that I'd love some help on:
AC, Challenge, Traits, Special Attacks, Immunities.
AC: I currently use either the armor listed under "gear" or "other gear" or the formula in this google doc. I have tested 161 creatures comparing their pathfinder version to their 5e version and seeing how close my formula got. The formula isn't perfect so please let me know if you have any better ideas.
Challenge: I calculate the average HP and compare it to the table on DMG 274 (I find the middle of the range and compare to that). I determine a defensive CR based on that. I then calculate the damage per round from all attacks (including multiattack) and compare that to the same table (I find the middle of the range and compare to that) to get the offensive CR. I then average those two numbers to get an overall CR - just as prescribed. If anyone has any suggestions for how to improve this please let me know.
Traits: I currently process some items based on the SQ field from pathfinder. I'll be adding more over time. I'm currently working through Skull & Shackles monsters to see how they compare to the ones I did manually (up to book 3). Please let me know if you know of a common one that should be added and preferably the 5e wording for it.
Special Attacks: Same as traits really, just from the special attack(s) field.
Resistances & Immunitites: For the most part 5e got rid of 50% of the ones from PF. It will be quite difficult to make this work in a general way.
I appreciate any feedback that you give
Example Stat block:
Otyugh CR 4
XP 1,200
N Large aberration
Init +0; Senses darkvision 60 ft., scent; Perception +9
DEFENSE
AC 17, touch 9, flat-footed 17 (+8 natural, -1 size)
hp 39 (6d8+12)
Fort +3, Ref +2, Will +6
OFFENSE
Speed 20 ft.
Melee bite +7 (1d8+4 plus disease), 2 tentacles +3 (1d6+2 plus grab)
Space 10 ft.; Reach 10 ft. (15 ft. with tentacle)
Special Attacks constrict (tentacle, 1d6+2)
STATISTICS
Str 18, Dex 10, Con 13, Int 5, Wis 13, Cha 6
Base Atk +4; CMB +9 (+13 grapple); CMD 19 (21 vs. trip)
Feats Alertness, Toughness, Weapon Focus (tentacle)
Skills Perception +9, Stealth +2 (+10 in lair); Racial Modifiers +8 Stealth in lair
Languages Common
Love this whole thing. I've been looking for a tool to make condensed stat blocks. One suggestion, can you lock the size of stat block? So it could be printed on note cards?
The width is fixed at 424px, but the height has to be able to example as a creature could have 5+ traits and 6+ actions.
If there is enough desire I could expose the attributes and allow people to edit them to use this for monster creation as well as conversion, but that's a bit of work and I wouldn't really use it myself.
I really like this. I'm not sure how far you're going to be able to go, but I really like it. I have been planning on converting some things to 5E. This may be able to help quite a bit.