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How Magical Bloodlines Work
for Spellcasters and Their Babies in The Sims 4
The Magical Bloodline Trait is a new feature in Realm of magic
Magical Bloodline is a trait passed on by Spellcasters to their children, which results in a few benefits for the child should they choose to pursue Spellcasting. There are also mechanics that decide whether a Sim's offspring will be a caster in the first place, given the possibility for casters to have children with a non-caster or another type of occult.
What Magical Bloodline Does
The Magical Bloodline trait does a few things based on the strength. There are three levels to it:
- Weak Bloodline: Gives 10% more Spellcasting XP and +1 talent point on each rank up in Spellcaster. You are also 10% less likely to suffer an overload.
- Strong Bloodline: Gives 20% more Spellcasting XP and +1 talent point on each rank up in Spellcaster. You are also 20% less likely to suffer an overload.
- Ancient Bloodline: GIves 30% more Spellcasting XP and +1 talent point on each rank up in Spellcaster. You are also 50% less likely to suffer an overload.
Spellcaster, Alien, and Vampire
I wondered if you could use Infatuate to get another Sim to like you. I guess if you want to pass on those genes you're going to need to do it the old fashioned way.. or use a Love Potion.
This is relevant to look at first, because if your Spellcaster has offspring with a non-caster occult it's possible for the other occult to pass. It's almost always 50/50, although a witch with an alien would appear to always produce a witch or full-blooded alien and a witch with half-alien could result in witch (50% of the time), no occult (25%) or half-alien (25%). A witch with vampire would result in 50/50 between witch and vampire. Not too complicated, except in the case of half aliens and in particular if you throw in Dark Ley Line which will always make vampire extremely likely no matter the other combos.
Passing on Magical Bloodlines
The game only seems to care about one parent's bloodline - whoever has the highest rank. It can both strengthen and weaken the bloodline. Depends if the parent is actually a Spellcaster. Let's look at that first. If they are a spellcaster it increments from caster with no bloodline to weak bloodline, strong, and finally ancient. If you have a weak bloodline breeding with strong, you will get an ancient because the strong is taking priority. Two weaks won't make an ancient, they'll make a strong. It's super simple in that way.
So, an interesting thing about all this is if a non-witch has the magical bloodline trait and passes it on without manifesting (becoming a witch via the quest from the Sages) the bloodline will dilute. It's in the game code that an ancient will produce a strong if neither parent is a witch. I suppose two non-witches with magical bloodline would pass down from the strongest one.
So does this mean you could have an ancient bloodline, pass it on to a non-Spellcaster (either not witch by birth, another occult or took Rite of Dissolution) and a couple generations down have a Sim with weak magical bloodline who takes up casting and begins to re-strengthen the bloodline? It looks like it.
I don't normally do this type of content but they put enough effort into Magical Bloodline that I thought some people would care. If you have something interesting about how this works, pass it on in the comments and let me know if I've made any mistakes.
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Thank you a ton for this! I could not find a comprehensive guide to this aspect of the game anywhere.
I thought I remembered the gurus saying that the strength of the spellcaster also impacted the bloodline trait. Based on your info, does that factor in to how weak/ strong the game considers a parent's bloodline?
I was playing with a woman (young adult) and her bf (also young adult), both of them are spellcasters.I I wanted to try for baby, but i couldn't find the option.I kept looking on the internet and STILL didn't find it out.Do you know why?As i was searching on this website .i was about to click on "The Sims 4 Woohoo and Try for Baby Guide" but before i read the small fragment underneath and it said something about the new pack and the option, but it was all separated by :".." .I read the articles multiple times to see if i was missing something but still couldn't find anything.please help?:/
Sims need a high enough romantic relationship before woohoo and try for baby options will unlock. But male spellcasters can definitely have nooboos as both mine did so just fine. If you are referring to Morgan the Sage, they transgender so when you look at their settings in CAS you can see they can neither get pregnant nor make others pregnant, so no nooboos for Morgan unless you adopt.
I have learned after playing that a male spellcaster can't try for a baby. A female spellcaster, however, can try for a baby with a regular sim.
If you guys are talking about Morgyn, they can’t have children as it’s in their settings in CAS. I’m not sure if theres a bug that applies to all male spellcasters, however. But morgyn was intended, it seems, to be non binary and infertile.
Definitely not a bug with all male spellcasters as both my males were able to have children fine. Morgan is transgender so when you look at their settings in CAS you can see they can neither get pregnant nor make others pregnant, so no nooboos for Morgan unless you adopt.
This was an interesting thing to me. I had a vampire and spellcaster have a child, with one of the lot traits being Dark Ley Line. They ended up being both a vampire and spellcaster, having the needs of a vampire and able to receive vampire training along with burning in the sun yet they has the perks of a Spellcaster. Not sure how it's meant to work in the slightest but that's how it is currently.
Heck, I'm an idiot, ignore this, I misread the 50/50 part
What you have is simply a vampire who has the bloodline trait which they can pass down to their children. So it isn't a hybrid really..just a trait that passes down family generations. So your vampire (with caster perks) child is a human, then they could become a caster and benefit from this passed-on bloodline trait if it is strong enough.
If this is correct and you can have a child with your vampire to confirm this, that would be great. We're confident (sadly) that we have it right but would be delighted to be wrong in this case!
I have a set of twins. The mom is a spellcaster and the dad is a mermaid. One of the twins is a mermaid and the other one has the spellcaster trait and is a mermaid. She is at the acolyte level. I'm having problems with it though because she will look like an ordinary sim but when I have her go in the water she loses the lower half of her body and when she is out of the water her body is that of a mermaid and gets stuck like that. Is anyone else having this problem?
So if you have a kid with 2 spellcasters does it guarantee that you'll have the magical bloodline trait or is there always a chance that it won't show up even with 2 spellcasters as parents? Cause for example,I had my sim marry one of the sages and we have had 5 kids (one on the way) and not one of the kids that are already born have the magical bloodline trait.Though to be fair I have mods,do mods mess with sims getting inherited traits?
Yes, a caster will always give their offspring some level of the bloodline trait. So, guess it is your mods causing the issue.
From what I have noted in Sims with magic abilities, when the children are born from caster parents, they cannot perform magic until they becomes teens.
That is correct Bob, all sim in The Sims 4 only come into their 'life state powers' at the Teen age level. Most likely to save Maxis from having to make the different Lifestate babies, toddlers and children.
How will you know if your sims baby is of magical bloodline?
I had my vampire sim become pregnant with one of the sages, she doesn't have the vampire skin tone - but when I go into the "plan outfit" option on the mirror, it has the vampire icon above her traits. I'm just curious if there's a way to tell if she is, or if I have to wait til she's older?
nevermind, I figured it out (dumb question on my part)
No problem. But just because the baby is a vampire doesn't mean she/he can't have one of the bloodline traits. Have a look in her/his traits menu.
so, she does have the magical bloodline trait, but it's the weak bloodline.
she's a teenager now & has the vampire needs. can she develop(?) her spellcaster side & learn magic? if so, how?
No because your sim is a vampire they cannot learn spellcaster spells or potions etc but if they have a baby with another spellcaster that has the same bloodline trait strength (weak) then they will pass that on to their babies.
So to summarize, other life states can have one of the three bloodline traits (weak, strong and ancient) but they can not do or learn magic. And any sim with one of the bloodline traits can pass this bloodline trait down to their children.
oh okay, thanks!
You're welcome. The Bloodline Trait is a bit confusing at first but it is a cool mechanic. Forgot to say in post above...if your vampire sim has a baby with a sim that has a stronger bloodline trait then that baby will have the traits that is the stronger of the two parents. But again, only the lifestate 'Spellcaster' can do/learn magic.
Hi I have a question. Can Mermaid and Spelcaster have kids?
I have a spell caster couple, got the woman pregnant (with morgyn’s kid btw) and got all the way to 3rd trimester, then she magic overloaded and the pregnancy just went away. But if I try to edit in cas it says I can’t edit pregnant sims, but, the option “try for baby” is available but doesn’t get her pregnant. Is there a way I can fix this? It’s driving me crazy.
Your best bet would be to roll back to an earlier save before the pregnant sim overloaded. From the sounds of it I don't think your current save can be fixed. You could try a Repair Game but really going back to an earlier save would be your best bet.
So my spellcaster married a mermaid and they had kids... who appear to be spellcasters upon ageing up to teens but have some mermaid traits. They don’t have a mermaid form but they do squeak and are able to sleep in the pool, and have the hydration need instead of hygiene. Is this a bug?
Honestly I don't know! lol I still haven't found the time to actually play around with caster and other life states much to see what all the possible outcomes are. If your sims are casters and teens they should have the spellcasters UI...and if they are mermaids then they should be able to transform in water as all teens come into their life-state 'powers' as they age into teen-hood. So...yeah, sounds like a bug!! As far as I know TS4 doesn't support hybrids like this although it is possible to sort-of have hybrid Aliens.
Ok, this review is gr8. It taught me a lot.
I made a regular sim a adept mage and had her woohoo with a mermaid.they had three children one a merman,the third a witch,and the second a hybrid not just any hybrid but a vampire with mage skills I'm really confused how did this happen
After some thorough testing, I discovered somehow EA locked Magical Bloodlines and the Alien trait to be mutually exclusive.
If your spellcaster sim with a bloodline is abducted, the baby will be "normal" (not "partial"), but will look alien and have alien voice. He will have the bloodline trait and can become a spellcaster when he becomes a teen.
If you use MCCC to "normalize" him and change him back to an alien, he will still have no alien powers if he possesses any bloodline trait. You may edit his disguise in CAS, but you won't have any options to change into it. You do still get the "Scare with Probe" social, but that's literally the ONLY alien thing you can do.
If you remove the bloodline trait via cheats, then alienize him (using MCCC or adding the trait_alien), he will become a full normal alien with all the requisite powers.
Why EA chose this singular case to mess with traits locking each other out, I have no idea. All other hybrids can occur via birth or be cheated into the game. This case is strange because you can happily have a spellcaster needs bar and an alien disguise and menu options. I can't explain why they would choose to mess with the one hybrid option that actually works well.
I had a spellcaster and a vampire have kids (3) 2 turned out to be vampires and the other turned out to be a spellcaster ☺️
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