Mash Vs. Hans

they are bot extreamly good in different situation.
Mash is perfect for defending high valuavle damage dealer whit a self sufficent kit, or who dont need much crit.
For exemple, most berserker fall in this category.
I own her my camelot, she was able to defend my Cu alter well.
Hans on the other hand is more a buffer / semi star gen for more aggressive and not self sufficent servant in a crit team.
i would say hans is more usefull "most" of the time, simply becouse you dont need much defence in most fight. on the other side, mash strong attack buff in her np (story locked) and all her party utility make her invaluable for harder and longer battle.
In my opinion hans heal is a bit useless most of the time, since heal is a reactive skill, instead a good defence is going to reduce more damage (mash + weaver = 0 damage. math)
For mash np gain, her third skill is actually crazy. if you dont need the tount you can use it for the extra np gain. she can get like 30% bar whit 1 art card.
All in all, wait untill you reach camelot. there you will see how powerfull her defence can be.

Hans can't protect him team, Mash does. So Mash+Hans is gud

Mash doesn't really get good until Camelot. I personally wouldn't really use her prior to that. But after that, she can be pretty useful. She's still pretty different from Hans though, and they're generally used for different situations, so it's hard to really call one better than the other.

Mash is probably better at protecting a specific servant for a few turns while it charges up its NP bar or something like that. She probably also pairs better with berserkers, because she provides better raw damage reduction, and berserkers tend to take damage faster than Hans' heals can replenish, plus her taunt and targetable evade are really nice.

Hans is better in crit teams, due to his ability to provide stars and also a crit damage steroid, and also because his star weight is much lower than Mash's so he doesn't needlessly steal stars the way that she does. He is also probably better for general usage, due to the sheer variety of what he can provide, and because it's easy to set him up so that he can use his NP right off the bat. If I were running a snail arts team, I'd also probably prefer to use Hans over Mash, because his ability to stack up multiple rejuvenation buffs and keep them running is pretty legit.

Hans is great Crit support - his first skill coupled with an innocent monster makes stars and boosts the team's crit performance. His second skill is just a sweet 75% NP boost to get to his NP. Although it is (Damn RNG) it provides pretty insane buffs. Health regeneration and crit star rate guaranteed with 80% chance of ATK and DEF up, is insane. He's built to keep the team kicking and make them hit harder.

Mashu is kind-of the opposite in some regard. Her class and skills are made to also keep the team kicking longer by providing defensive buffs. She's a dedicated staller made to keep your DPS alive long enough to fire back, she provides 20% NP with her second skill and her third can make a single target enemy waste their NP. Her NP also gets upgraded to boost damage making it even better.

Overall if you have trouble surviving leveling Mash should be your priority if it isn't Hans is a good alternative to crit teams with rounder support overall. Together, they keep one another alive with heals and defense buffs. In Arts teams, they are a must for F2P.

Mash matches up to Hans for getting good support value for low party cost and that she fits into any team composition without bringing it down. They operate well together for healing per turn and their combined defense buffs.

Also her taunt skill increases her NP gain and scales incredibly well with levels. Get that skill to 6 or higher and an arts infused brave chain with Mash will take you from 0 to 100% NP charge.