Does the pity timer build up across different summoning banners?

Fire Emblem Heroes always has multiple summoning banners running, and in each banner, your first summon is free.

I know that in each round, when you summon non-5* heroes, the pity timer builds so that in the next round you increase your odds of summoning a 5* hero.

I'm wondering if each banner has its own pity timer, meaning I have to keep spending orbs within that same banner for increased odds of getting a 5* hero?

Example, pulling 2 rounds of 3* heroes will build the pity timer so I get increased odds of pulling a 5* within the same banner, but the pity timer starts from scratch if I invest into a different banner.

Or is it a global pity timer, in that any round I do will increase the odds of me getting a 5* in the next round in ANY banner?

Example, I put orbs in Banner 1, but only get 3* units. Then I put orbs into Banner 2, and now I have increased chance of summoning 5* in Banner 2 because my last round in Banner 1 was garbage?

I'm just not sure if I should keep summoning within a banner until I get a 5*, or if I can just switch any time I want and still have the pity timer be valid.

Or have I misunderstood how pity timers work fundamentally?

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Do banners share pity Genshin?

Is The Pity System Per Banner Or Overall? The pity system tracks Wishes on a per-Banner basis. This means that Genshin Impact players cannot make 89 Wishes on the Standard Banner, and then receive a guaranteed 5-star item from an Event Banner by putting their 90th Wish there.

Does pity reset on new banners?

There's a pity system when players wish on banners in Genshin Impact. Pity is built the more players wish, and it resets each time a 5-star character or weapon is pulled.

Does pity reset for all banners?

The pity system keeps count and does not transfer between banners.

Does pity carry double banners?

Pity accumulated on the limited Banners will carry over to the next one, which will help gamers obtain a 5-star more easily without needing to spend extra Primogems. The pity system for the double rerun Banners in Genshin Impact will be shared and will also carry over to future Banners.

The Ultimate Genshin Impact Pity Guide - Pity System Explained

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