The minimum rate is 0 . 05 on USD . While BTC was bearish I almost gave up . Lately it lends pretty consistently . Usually the dollars come back after roughly 5 days . I assume this is when margin traders close their positions . After which it lends out again . I didn ' t like the 15 day max either , thus I ' ve only been experimenting with a small amount . <| sep |> Which means you should have Large Health and Energy Restores available to you . Wonderful . Fair enough . Chroma Chroma ' s a frame that really benefits from some additional polarities . But for a 0 forma build , start from something like builder . c omWarframesBuilderChromat 30 tel 2 2 1 0 3 8 5 5 1464514554966550455558212 ff 661494912 ff 318 ff 0 en 1034 as a base , then customize . Vitality and a way to restore your health . Furis Loka aug works fine if you don ' t have Life Strike for melee or the resources for restore pads . After that , depends what energy refill options you have . If you have Rage , a reliable VeilSuda synd proc or energy restore pads , eschew efficiency and max out duration Constitution is overkill imo , unless you have Transient Fortitude and strength , in that order then use his 23 to tank and multiply your damage . And ideally Steel Fiber at the end , if you have room . Nezha Depends how CCcrazy you want to go . Either max range , eff , then as much duration as you can and ignore Str like builder . comWarframesBuilderNezhat 30 tel 2 2 1 0 4 0 5 5 7414553485466555342564349 ff 212551025691454611583414 ff 0 en 1043 Redirection or r 6 Narrow Minded in the D slot , to taste , or a more rounded build builder . comWarframesBuilderNezhat 30 tel 2 2 1 0 4 0 5 5746551465348555342564349 ff 2125510256966149583414 ff 0 en 1043 Redirection or r 6 Narrow Minded in the D slot , to taste for less range but better duration and stronger Warding Halo . Cheers and gl .