Official post has confirmed that V5.5 will have supplies with top-tier battlesuits, equipment and ELFs. This guide is to assist you on what to pull first.
Please refer to official post to see all available supplies: https://twitter.com/HonkaiImpact3rd/status/1496450199732252676

BATTLESUITS and EQUIPMENT

COMMON QUESTION
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Q: I just want to pull PE. Do I really need to have HoS and HoF?
Get HoS first. You can consider skipping HoF and go straight for PE
Q: Is SPA better than VK?
VK is, unfortunately, dead.
Q: Mobius or Silverwing first?
Mobius is generally better - has multiple 1-2s Arena kills, beats Andrius, has damage link mechanic, fastest clear in Elysian Realm, etc. Silverwing coverage is a bit smaller but still good. In 5.6, the new valkyrie seems to be an Ice support, so Silverwing might see more actions in the near future.

FIREPOWER SUPPLY
- Firepower supply is make your own supply by choosing 5 weapons and 5 stigma sets from the list.Can only do one 10 pull (2800 crystal). Guarantees a NEW gear
-You should pull if you're missing a gear and you can make it a guaranteed drop (by choosing other stuff that you already have)
- Here, I labeled the weapons and stigma to help you decide on what to pick


ELF SUPPLY
ELFs are very very very late-game investment. This is something you only want to consider pulling after getting fully geared teams. A f2p shouldn't even think laying their fingers anywhere near the ELF gacha tab.

That's it from me. This is Marisa Honkai. Give a like if you find this helpful~


