This mod has been working since around October, 2021, while v4.10 was released in September, 2022. It would be too difficult to write all the information here, so please check the changelog in the zip for more specific information and changes to each version.
(lots of chinese characters warning :) 
Some of the design were borrowed from @Legends and @PTR, for quite a long time the graphics were mainly assisted by @Encke, and later until now @Bigmap helped me fix a lot of bugs and compatibility issues.

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✪More complete and useful skill trees:
Added 40+ new perks, adjusted a large number of perks from @Legends and @PTR. Many key perks from each tree has be given brand new creative effects and mechanics, resulting in richer and at the same time more useful combinations.

✪More new enemies:
40+ new enemies of all kinds have been added, most with more distinctive characteristics.
Including a carefully designed mercenary corps with random perks and a clear division of labor, and extremely powerful!

✪More new equipments:
Added 20+ new types of layered armor and 30+ new weapons, including 10+ named weapons.
Modified a large number of legendary equipment, so that they have a larger distribution of zones and more reasonable fatigue durability ratio, increasing optional.

✪Time based enemies:
A large number of enemies will wear slightly worse collections early in the game, and they will gradually change to better equipment as the game progresses.
A large number of enemies will gain additional perks later in the game.
If you are on Legendary Economy difficulty, all enemies will have slightly increased attributes over time.
Some contracts (especially crisis contracts) will become more challenging as time progresses.

✪Better new recruits:
As the game progresses, mercenaries in the recruit market get apparent higher levels and cost less to hire, as a way to quickly replenish your warband for powerful enemies.
Player units gain a little extra hitpoints as the game progresses, and may also receive more attribute points when leveling up after 11th.

✪Better difficulty scaling:
Many aspects of the player's team strength are considered, allowing party strength to better reflect the player's actual combat strength.
Of course, if you find the game too hard or too easy, you can manually adjust your strength multiplicator every 50 days.

✪More useful food:
The food system has been rework so that each food will have its own unique effect and can significantly boost your team's strength.

✪A powerful new origin

✪New camps, including new legendary camps

and much more! Requires you to explore manually in-game.

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For players who are playing this mod for the first time, it is highly recommended to begin with expert combat difficulty and the highest initial fund of normal origins (origins that are available in the vanilla version) or Noble/Sellswords origin.
The reason is simple, this mod is very tough and hardcore, while many overpowered origins/mods do not give you any experience another time without them.
This mod has been tested by a considerable number of skilled players and has gone through very many updates and patches, and as mentioned at the beginning, has been worked around for almost a year. A part of the most great players can even use the original beggar oringin to participate in and lead the first crisis, and the strongest mercenary corps in the very late game can also be defeated without losing any of your battle brothers(of course normal origins, neither original beggar nor scaling beggar).

Some tips that may be useful: （Sincerely）

1 All battles cannot be won, you are just an ordinary mercenary company, fighting for survival.
2 Good tactic and good Builds are of great importance, at least more important than attributes(9 stars or something like that).
3 The stronger you are, the stronger the enemy will be, do not ignore your endeavor and feel upset (since enemies are always stronger)
4 SUP is much more important than Carriers (Everyone has his role though do not deal any damage)
5 Sharps and Polearms are very powerful(due to more flexible and have a better hitchance), light and medium armor are also more suitable for offense.

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  About the game difficulty：                           （01/02/23)
I most commonly pick the gladiators or sellswordsorigin (relatively easy origin), the start settings are usually legendary combat difficulty, legendary economic difficulty, low initial funds (gladiators can do no initial funds), no fog, non-iron man (but will not deliberately SL), 90 days can take two-skulls crisis contract, 110 days three-skulls crisis contract(very challenging and sometimes easy to lose brothers), if the early days are smooth then crisis will often end a bit quickly.
Other origins such as a new company, noble,cultists will be slower, the vast majority of non-avater origins I have played, all types of camps including legendary camps I have tried.（Rarely, the mod maker is playing his mod）
I don't like cheesing or baiting, nor do Ilike any of the cheating ways to play (such as camping or certain special mechanics). So it's easy to play this mod by just familiarizing yourself with all the perks.
Death is a normal occurrence, sometimes maylose someone in every battle in the mid game(~60-120), therefore some low-demand and practical builds are also necessary.
Each weapon has its own build, and everyonewho has ever played this mod together with me in during the old time has his favored
build, but just picking 7 perks from weapon trees and 5 perks from armor trees is definitely not wise in legendary difficulty.
For those who are new to this mod, axe/flail/spear/crossbow/polearms(especially polemace) are very simple and practical builds that rely on the weapon tree alone to have great results.
Hammers/Cleavers/Daggers have somecharacter requirements.
Throwing/Bows/Firearms has certain lineuprequirements.
Finally, it is highly recommended to choose your appropriate settings and have fun.

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Feel free to contact me and comment.
Description, screenshot and log files (You can find it in C:\Users\YourName\Documents\Battle Brothers) are needed for a bug report.
(No guarantee of updates or fixes though : )

----------------------------------------（01/06/23)
Sorry to announce that I am unable to maintain this mod anymore due to being involved in some really obnoxious things recently, but thankfully there are no more bugs except for a few minor issues raised by some players.
The new PTR was launched on January 5, it's a great work, however I've took some time to find that a lot of work need to be done to be compatible, so please forgive me to be capricious and not to update any longer, the current version is adapted to PTR_2_1_23 or earlier, and msu_1_1_1.
All the contents of this mod can be referenced and used by others (there are some works provided by @Encke, he is happy to share them, too), also welcome if someone is willing to take over the mod.
I am grateful to guys on thediscord server, and from time to time I will look forward to reading your discussions and opinions, also thanks for all the suggestions and bugs raised.

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Thanks to the modders who inspired me so much:
感谢给我莫大启发的制作者：

Gilded Wraith，Luft，MuffledMagda，Wuxiangjinxing，Theplahunter等（Legends）
LordMidas, Uberbagel, DeepBlueD（PTR）
TaroEld（Davkul Rising，Dev Console，Stronghold）
Encke（东方大营，兽人竞技场，武士）
NgGH707（NgGH's Magic Origins，World Editor, Origin Customizer）
Enduriel等（MSU）
Shringshring（SM）
茫然怪（茫然mod）
... ...

以及一起玩耍的小伙伴
Encke，白兔十八，苦澀の選擇，Shringshring，Dorick，zhy，茫然怪，雍泉居士，鲨鱼辣椒，指环王，卟卟念，洗面奶，七号，反坦克鱼雷，Bigmap，Seraph和其他很多一时没想起来的群友... ...



这个mod从21年10月份左右开始制作，v4.10在22年9月发布，将所有的信息写在这里太困难了，具体的信息和各个版本的改动请在压缩包里的更新日志里查看。
部分设计借鉴于@传奇和@PTR，很长一段时间的图片制作主要由@Encke协助，后期@Bigmap帮我修复了大量BUG和兼容性问题。

✪更完整和实用的技能树：
新添加了40+新perk，修改了大量来自@传奇和@PTR的perk。每条树都有更加实用的搭配，并且每种作用的技能分布更加均匀。
✪更多新敌人：
新添加了40+各式各样的新敌人，大部分拥有更加鲜明的特点。
包括精心设计的佣兵团，他们拥有随机的perk和明确的分工加点，并且异常强大！
✪更多新装备：
新添加了20+种分层护甲以及30+种新武器，包括10+种红武。
修改了大量传奇的装备，使其具有更大的区间分布和更合理的疲劳耐久比，增加可选择性。
✪随时间调整的敌人：
大量敌人会在游戏初期穿着稍差的装备搭配，而随着游戏进行他们会逐渐换上更好的装备。
大量敌人会在游戏后期获得额外的技能。
如果你是传奇经济难度，所有敌人会随着时间略微增加属性。
随着时间进行，部分合同（尤其是危机合同）会变得更有挑战性。
✪更好的雇佣人材：
随着游戏进行，人材市场的雇佣兵等级会越来越高，雇佣费用会越来越少，以此迅速补充你的战团，迎接强大的敌人。
玩家单位随着游戏进行获得额外的少许生命值，并且11级后也可能获得更好的升级加点。
✪更好的难度反馈：
多方面考察了玩家的队伍实力，让力量值更好的反映玩家实际战力。
当然如果您觉得游戏过难/过易，每50天可以手动调整自己的力量值。
✪更有用的食物：
重做了食物系统，每种食物将有其独到的作用，并且能可观的提升您的战队实力。
✪一种强大的新起源
✪新营地，包括新的传奇营地
以及更多！需要您在游戏里手动探索。

对于初次游玩这个mod的玩家而言，强烈推荐先尝试专家战斗难度，最高初始经济的普通起源（原版就有的起源）或者贵族/佣兵起源。
原因很简单，这个mod非常困难，而很多过强的起源并不能给你带来离开他们后的战斗经验。
这个mod经历了相当多技术娴熟的玩家测试，并且历经了非常多次的更新和补丁，正如一开始说的，已经有快一年了。一部分最厉害的玩家甚至可以用原始乞丐参与第一个危机，而面对后期最强的佣兵团也可以不损失人员战胜（当然是普通的起源，既不是原始乞丐也不是成长乞丐）。
一些你可能用得上的小提示： （真诚的）
1不是所有战斗都能打赢，你只是一个普通的佣兵团，为了生存而战
2好的思路和好的构筑非常重要，至少比属性重要
3你越强，敌人也会越强，不要忘记你的努力（因为总觉得敌人更强）
4铁打的辅助流水的C
5锐器和长柄非常强（因为更加灵活，并且有更好的命中率），轻甲和中甲也更适合进攻

关于游戏难度：                                         （01/02/23)
我最常用的是角斗士和佣兵起源（比较简单的起源），开局设置一般是传奇战斗难度，传奇经济难度，低初始资金（角斗士可以做到无初始），不开迷雾，非铁人（但不会刻意SL），90天可以打二星危机任务，110天三星危机任务（非常有挑战，有时候很容易死人），如果前期比较顺利危机往往会结束的比较快。
其他起源如三兄弟，贵族，异教徒会慢一些，绝大部分非化身起源我都玩过，所有类型的营地包括传奇营地我都打过。(罕见的，mod制作者在玩他做的mod）
我不喜欢大地图上拉怪或者炮灰拉怪，也不喜欢任何邪道玩法（比如扎营或者某些特殊机制）。因此只需要熟悉所有技能便可以比较轻松的游玩此mod。
死亡是很正常的情况，甚至中期每场战斗都可能有人阵亡，所以一些需求低并且实用的构筑也很必要。
所有武器都有相应的构筑，曾经一起玩此mod的朋友每个人偏爱的构筑都不同，但是随便点完7个武器树5个护甲树这种是肯定无法在传奇难度下使用的。
对于刚接触此mod一脸懵逼的朋友而言，斧/链枷/矛/弩/长柄（特别是长柄棒）是非常简单实用的构筑，只依赖于武器树就有很不错的效果。
像锤/砍刀/匕首则有一定的人物要求。
像投掷/弓/弩炮则有一定的阵容要求。
最后强烈建议选择自己合适的设置，并祝玩的开心。

反馈问题或交流可以加群370921964
不保证一定有更新或者修复
（01/06/23)
非常抱歉，由于最近被卷入了一些糟心的事情导致我无力再继续维护这个mod了，庆幸的是除了一些朋友提出的几个小问题，基本上没有什么bug了。
1月5日推出了新的PTR，非常不错，但是我看了下需要做不少的修改才能适配，因此请允许我任性一下不再维持更新了，目前适配的版本是PTR_2_1_23及之前的版本，和msu_1_1_1。
所有SS模组的内容都可以被引用（里面涉及到一些@Encke提供的素材，他也很乐意分享），如果有人愿意接手更新也是欢迎的。
一直以来非常感谢QQ群绝大部分群友，我时不时也会满怀期待的看大家各种各样的讨论和意见，非常感谢提出的所有的建议和bug。