"Ancient Warriors" monsters are human warriors wearing clothes or armor that based on certain beasts, which explains their Beast-Warrior typing.
The artworks of all "Ancient Warriors" monsters depicts animal feathers or fur scattered in the air, which are distinct for every Attributes: white feathers for the WATER "Ancient Warriors", red and fiery feathers for the FIRE "Ancient Warriors", and the WIND "Ancient Warriors" might show certain beast fur instead.
The theme's Japanese name seems to be a portmanteau to
|Attribute||Monster||Origin||Courtesy name||Beast reference|
|WATER||Graceful Zhou Gong||Zhou Yu||Gongjin||Swan|
|Masterful Sun Mou||Sun Quan||Zhongmou||Turtle and snake|
|Eccentric Lu Jing||Lu Su||Zijing||Snake|
|WIND||Valiant Zhang De||Zhang Fei||Yide||Tiger|
|Loyal Guan Yun||Guan Yu||Yunchang||White tiger|
|Virtuous Liu Xuan||Liu Bei||Xuande||Dragon|
|Ingenious Zhuge Kong||Zhuge Liang||Kongming|
|Double Dragon Lords|
|FIRE||Ambitious Cao De||Cao Cao||Mengde||Phoenix|
|Fearsome Zhang Yuan||Zhang Liao||Wenyuan||Demon|
|Deceptive Jia Wen||Jia Xu||Wenhe||Bird|
|Defense of Changban||Battle of Changban|
|Sun-Liu Alliance||Alliance between Sun Quan and Liu Bei against their common foe, Cao Cao|
|Borrowing of Arrows||Battle of Red Cliffs|
|Three Visits||Three visits to the thatched cottage|
|East-by-South Winds||Zhuge Liang summons an eastern wind|
All "Ancient Warriors" monsters with different Attributes have different playing style to each other. The WATER "Ancient Warriors" monsters have common effect that activates if your other "Ancient Warriors" monster's effect is activated outside the Damage Step. Their strategy is more into control-type, as their effects revolves around searching and recovering the right "Ancient Warriors" cards to the hand, and also bouncing an opponent monster, sealing the effects of their monster, even back-row removal.
The WIND "Ancient Warriors" monsters all have effects to activate if your opponent controls more monsters than you do (however, the newly revealed "Ancient Warriors - Ingenious Zhuge Kong" has its own unique effect within his own team). Their strategy is battle-based and kind of an aggressive-type; for instance: ATK boosting, double attacking, and rewarding you to draw 1 card when an attack is declared involving them.
Meanwhile, the FIRE "Ancient Warriors" monsters have an effect that triggers if a card(s) your opponent controls is destroyed by battle or card effect. Their effects can be considered to be passive-aggressive, ranging from reducing opponent's monsters' ATK to stealing the monsters they defeated under your control.
"Ancient Warriors" monsters in every Attribute (or faction) seem to be categorized into leaders, fighters, and tacticians, which beside possessing their Attribute-based effects, also have their own unique characteristics and strategy for the gameplay based on this category. The leaders of each faction would gain protection from attacks ("Sun Mou" and "Liu Xuan") or card effects ("Cao De") as long as they are accompanied by another "Ancient Warriors" monster. The fighters, which are the high-leveled ones, all can be Special Summoned by their own effects under certain conditions. "Cao De" is unique in this case, since it has both self-protecting effect as a leader and self-Special Summoning similar to the fighters. For the tacticians, they are all Level 4 monsters whose DEF is higher than their ATK, and they need to send a Continuous Spell/Trap you control to the GY to activate their effect. While the three tacticians "Zhou Gong", "Lu Jing", and "Jia Wen" sends the Spell/Trap to the GY as a part of their effects, "Zhuge Kong" does it as a cost instead.