To tame a stray cat, you will need either Raw Cod or Raw Salmon. It normally takes anywhere from 1-10 fish for the cat to become tamed (depending on RNG).
It must be planted directly adjacent to a water, waterlogged, or frosted ice block. You can also plant sugar cane directly on top of another sugar cane block.
Choose a large, flat area to build your elevator. Build 4 blocks around 1 block on the ground, creating a small tunnel. Build a second tunnel of the same shape.
/give now uses the @s selector, for giving specifically yourself an item. 1.17, 21w10a, Introduced new amount limitation in /give, can only give 100 stack.
This Minecraft tutorial explains the Instant Health effect with screenshots and step-by-step instructions. The Instant Health effect is a status effect that.