Your inability to put things into a context and understand the meaning of art is a really interesting. By interesting I mean, you should educated yourself on what exactly art is how it goes through development.
To not be a complete ass to you. I'll try to give you an educated answer with the hopes that you actually bother to think before you post.
"Jerk off material" is a slang people use to describe suggestions regarding ONLY women character pushed by men that don't fit into their definition of beauty or appeal.
In any form of visual media, a character's original look has to sell you a theme, story, archetype and world building. In the gaming industry, those aspects up until recently were only ever given to male characters, while women characters were left in dumb stereotypes or other tropes that serve ONLY a male based audience.
Now going to your next point about Dota characters. Anessix is a funny one, because except her being skinny and having a nice nose there isn't anything specific about her that makes her appealing. If she wasn't a Valve character, there would hundreds of chud youtubers shit talking the design. Let's look at her design:
-Graying out hair
-Multiple piercing on her lips, ears and her horns
-tattoos
-Mature looking face
You see where I'm going with this?
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Now, Dawnbreaker. Dawnbreaker is the size of She-Hulk with muscles and a huge Mace. Her voicelines are full of confidence with no interest in any relationship or anything else. She's proud of her muscles, she makes fun of other characters. She doesn't care. Her hairstyle is literally made to resemble a Lion's mane in combination with her muscular physical, she gives the signal that she is the tank that controls the battlefield.
Using Dota 2 to an extend is also cheating considering the game's original characters are based on WC3 and made to resemble them as much as possible without getting into legal troubles. That's why you have awful designs like Crystal Maiden and QoP.
I'm not sure if you've noticed, but after the original dota all star characters were ported to dota 2, there haven't been any women characters that might fit whatever your definition of appeal exists.
Muerta - Green walking corpse woman with the voice of a that has been smoking their entire life.
Hoodwink - Literal squirrel woman in a hoodie
Marci - Woman in leggins with a vest, boots, and ponytail
Dark Willow - Elf woman in leggins with a vest, boots, bald with a pink skin
Snapfire - Grandma with a big gray hair bum riding a lizard
If these weren't Valve created characters you would probably call them "woke".
Also, who the fuck gives a rat's ass about Concord? We are talking about art here, not whatever your favourite youtuber told you to be angry about.