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How many Orundums can you earn per month in Arknights?

Toggle the income sources that apply to you for a monthly Orundum estimate — and see exactly how many pulls that funds toward your pity plan. 1 pull = 600 Orundum.

Monthly income sources

Daily + Weekly Missions ~1200 Orundum/week from missions +5,200 Annihilation (weekly cap) 1800 Orundum/week at cap +7,800 Events (per cycle) Event shop + first-clear rewards +4,000 Recruitment (free) Free recruits → yellow certs → pulls +800 Certificate Shop 5 Headhunting Permits/month from gold certs +3,000 Monthly Card ($5) 200 Orundum/day + 6 Originium +7,000 Maintenance + stream codes Patch maintenance compensation +900 Anniversary / big events Extra one-off rewards (not monthly) +0

Community estimates for a standard 2-week event cycle. Annihilation weekly caps and event shops vary.

Monthly total

Orundum / month

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selected sources

Pulls / month

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600 each

Per patch (28 days)

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~1.4× monthly

Pity progress / month

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toward 300-pull hard pity

What this means for your pull plan

300 pulls = one 5★ (hard pity). A fully-featured F2P monthly income lands at roughly — pulls/month — about — pity cycles.
The $5 monthly pass adds ~18.75 pulls/month — the best value in the shop.
To guarantee a specific featured character from zero pity you need up to 600 pulls (lose the 50/50 then hit hard pity again).