The following are the assumptions to be made for battles in versus threads, if no alternative assumptions are specified by the thread creator. Assumptions alternative to these ones can be freely used, are equally legitimate, and threads using different assumptions can be added to profiles just...
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Equipment: Standard equipment.
Swords, Bows and Arrows, Crossbows, Axes, Pickaxes, Shovels, Hoes, Armors, Shields, Fishing Rods, Buckets, Potions, Pistons, Flint and Steel,
TNTs, Elytra, Tridents, Maces, Ender Pearls, Snowballs, Fire Charges, Firework Rockets, Foods, Boats, Minecraft, Boats, various Blocks and
many others.
Inventory Size: Steve has 37 slots (36 inventory + 1 off-hand).
Just by the one listed, he has 27 of 37 slots, he can't have literally everything in hand to build everything you are saying, if you buy the massive game mechanics Steve is using in the fight, you have to buy the limited space of slots he can carry with him
Also, his resurrection is him holding the totem on hand, if Sukuna instakills him he is dead