Home / Recipes / RbAs โ How to Make RbAs in Infinite CraftRbAs is a long haul. Even on the shortest known route it takes 66 combinations to get there, and the final one is Initials plus Rubidium Arsenite. Expect to build several intermediate elements you will never use again.
The final combination
๐ Initials+ ๐งช Rubidium Arsenite= โ RbAs
Marathon 66 steps from the base elements ยท crafting depth 116 ยท 2 known recipes
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What is worth knowing At 66 steps it is longer than 100% of solved elements, which puts it in our marathon band. Only 2 known combinations produce RbAs, so there is very little room to improvise. Follow the path exactly. Its crafting depth of 116 is unusually deep. Depth counts the longest chain needed to reach it, and most elements people search for sit well below this. Full crafting path from the base elements Start with Water, Fire, Wind and Earth, then follow these 66 combinations in order.
1 ๐ Earth+ ๐ง Water= ๐ฑ Plant2 ๐ Earth+ ๐ฑ Plant= ๐ณ Tree3 ๐ณ Tree+ ๐ง Water= ๐ River4 ๐ River+ ๐ณ Tree= ๐ Paper5 ๐ Paper+ ๐ฑ Plant= ๐ Book6 ๐ Earth+ ๐ River= โฌ๏ธ Delta7 ๐ Book+ โฌ๏ธ Delta= ๐ Alphabet8 ๐ Earth+ ๐ Earth= ๐๏ธ Mountain9 ๐ Earth+ ๐จ Wind= ๐ซ๏ธ Dust10 ๐ง Water+ ๐ง Water= ๐ Lake11 ๐ Lake+ ๐๏ธ Mountain= ๐๏ธ Fjord12 ๐ซ๏ธ Dust+ ๐๏ธ Fjord= ๐น Troll13 ๐๏ธ Mountain+ ๐น Troll= ๐ Dwarf14 ๐ซ๏ธ Dust+ ๐ฑ Plant= ๐ฑ Pollen15 ๐ฑ Pollen+ ๐ง Water= ๐ฏ Honey16 ๐ซ๏ธ Dust+ ๐ Earth= ๐ช Planet17 ๐ Earth+ ๐ช Planet= ๐ Moon18 ๐ฏ Honey+ ๐ Moon= ๐ Honeymoon19 ๐ Dwarf+ ๐ Honeymoon= ๐ Short20 ๐ Alphabet+ ๐ Short= ๐ Acronym21 ๐ฑ Pollen+ ๐จ Wind= ๐คง Allergy22 ๐ฅ Fire+ ๐ง Water= ๐จ Steam23 ๐ฅ Fire+ ๐จ Steam= ๐ Engine24 ๐ Engine+ ๐ฑ Plant= ๐ Car25 ๐ Car+ ๐ซ๏ธ Dust= ๐จ Rust26 ๐ฅ Fire+ ๐จ Rust= ๐จ Iron27 ๐ Earth+ ๐จ Iron= ๐ค Metal28 ๐คง Allergy+ ๐ค Metal= ๐ช Nickel29 ๐ฅ Fire+ ๐จ Wind= ๐จ Smoke30 ๐ช Nickel+ ๐จ Smoke= ๐ฆ Nickelodeon31 ๐ Earth+ ๐ฅ Fire= ๐ Lava32 ๐ Lava+ ๐ง Water= ๐ชจ Stone33 ๐ฑ Plant+ ๐ชจ Stone= ๐ฆด Fossil34 ๐ฅ Fire+ ๐ฆด Fossil= ๐ฆ Dinosaur35 ๐ซ๏ธ Dust+ ๐จ Wind= ๐ช๏ธ Sandstorm36 ๐ซ๏ธ Dust+ ๐ณ Tree= ๐ฒ Wood37 ๐ช๏ธ Sandstorm+ ๐ฒ Wood= ๐ก Sandal38 ๐ฆ Dinosaur+ ๐ก Sandal= ๐ Thesaurus39 ๐ Lake+ ๐ Thesaurus= ๐ Synonym40 ๐ฆ Nickelodeon+ ๐ Synonym= ๐ Nickname41 ๐ Acronym+ ๐ Nickname= ๐ Initials42 ๐ซ๏ธ Dust+ ๐ฅ Fire= ๐ Ash43 ๐ Ash+ ๐ณ Tree= โ๏ธ Pencil44 ๐ซ๏ธ Dust+ โ๏ธ Pencil= ๐๏ธ Eraser45 ๐ฅ Fire+ ๐ช Planet= โ๏ธ Sun46 ๐ช Planet+ โ๏ธ Sun= ๐ Solar System47 ๐ฑ Plant+ ๐จ Steam= ๐ต Tea48 ๐ต Tea+ ๐ฒ Wood= ๐ฝ๏ธ Table49 ๐ Solar System+ ๐ฝ๏ธ Table= โ๏ธ Periodic Table50 ๐๏ธ Eraser+ โ๏ธ Periodic Table= ๐ธ Rb51 ๐ Book+ ๐ Earth= ๐ Library52 ๐ฑ Plant+ ๐จ Smoke= ๐ฏ๏ธ Incense53 ๐ฏ๏ธ Incense+ ๐ง Water= ๐ Perfume54 ๐ฑ Plant+ ๐จ Wind= ๐ผ Dandelion55 ๐ผ Dandelion+ ๐ง Water= ๐ท Wine56 ๐ Perfume+ ๐ท Wine= โ ๏ธ Poison57 ๐ Library+ โ ๏ธ Poison= ๐ช Arsenic58 ๐ Lake+ ๐ง Water= ๐ Ocean59 ๐ Ocean+ ๐ง Water= ๐ Fish60 ๐ Fish+ ๐ง Water= ๐ Fishbowl61 ๐ Ash+ ๐ Ocean= ๐ง Salt62 ๐ฅ Fire+ ๐ง Salt= ๐ง Sodium63 ๐ Fishbowl+ ๐ง Sodium= ๐ง Sodium Hydroxide64 ๐ช Arsenic+ ๐ง Sodium Hydroxide= ๐งช Sodium Arsenite65 ๐ธ Rb+ ๐งช Sodium Arsenite= ๐งช Rubidium Arsenite66 ๐ Initials+ ๐งช Rubidium Arsenite= โ RbAsCrafting tree 1 Earth + Water โ Plant 2 Earth + Plant โ Tree 3 Tree + Water โ River 4 River + Tree โ Paper 5 Paper + Plant โ Book 6 Earth + River โ Delta 7 Book + Delta โ Alphabet 8 Earth + Earth โ Mountain 9 Earth + Wind โ Dust 10 Water + Water โ Lake 11 Lake + Mountain โ Fjord 12 Dust + Fjord โ Troll 13 Mountain + Troll โ Dwarf 14 Dust + Plant โ Pollen 15 Pollen + Water โ Honey 16 Dust + Earth โ Planet 17 Earth + Planet โ Moon 18 Honey + Moon โ Honeymoon 19 Dwarf + Honeymoon โ Short 20 Alphabet + Short โ Acronym 21 Pollen + Wind โ Allergy 22 Fire + Water โ Steam 23 Fire + Steam โ Engine 24 Engine + Plant โ Car 25 Car + Dust โ Rust 26 Fire + Rust โ Iron 27 Earth + Iron โ Metal 28 Allergy + Metal โ Nickel 29 Fire + Wind โ Smoke 30 Nickel + Smoke โ Nickelodeon 31 Earth + Fire โ Lava 32 Lava + Water โ Stone 33 Plant + Stone โ Fossil 34 Fire + Fossil โ Dinosaur 35 Dust + Wind โ Sandstorm 36 Dust + Tree โ Wood 37 Sandstorm + Wood โ Sandal 38 Dinosaur + Sandal โ Thesaurus 39 Lake + Thesaurus โ Synonym 40 Nickelodeon + Synonym โ Nickname 41 Acronym + Nickname โ Initials 42 Dust + Fire โ Ash 43 Ash + Tree โ Pencil 44 Dust + Pencil โ Eraser 45 Fire + Planet โ Sun 46 Planet + Sun โ Solar System 47 Plant + Steam โ Tea 48 Tea + Wood โ Table 49 Solar System + Table โ Periodic Table 50 Eraser + Periodic Table โ Rb 51 Book + Earth โ Library 52 Plant + Smoke โ Incense 53 Incense + Water โ Perfume 54 Plant + Wind โ Dandelion 55 Dandelion + Water โ Wine 56 Perfume + Wine โ Poison 57 Library + Poison โ Arsenic 58 Lake + Water โ Ocean 59 Ocean + Water โ Fish 60 Fish + Water โ Fishbowl 61 Ash + Ocean โ Salt 62 Fire + Salt โ Sodium 63 Fishbowl + Sodium โ Sodium Hydroxide 64 Arsenic + Sodium Hydroxide โ Sodium Arsenite 65 Rb + Sodium Arsenite โ Rubidium Arsenite 66 Initials + Rubidium Arsenite โ RbAs
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Other ways to make RbAs 2 combinations are known to produce RbAs. Here are 2 of them.
RbAs at a glance
Steps to craft 66 Marathon
Crafting depth 116 longer than 100% of solved elements
Known recipes 2 ways to make it
Used in 0 other combinations Other elements that take 66 steps Similar effort to RbAs, if you want something else to chase.
Frequently asked questions How do you make RbAs in Infinite Craft? Combine Initials with Rubidium Arsenite. The full path from the base elements takes 66 steps.
How many steps does it take to make RbAs? 66 steps on the shortest known path from Water, Fire, Wind and Earth.
Is RbAs hard to make in Infinite Craft? It rates as marathon. At 66 steps it is longer than 100% of solved elements.
Is there more than one way to make RbAs? Yes. 2 combinations are known to produce RbAs, and the shortest route is shown above.
Path verified against the open recipe graph on 2026-10-23 . Method described in our methodology , data credited on data sources .