To prowl is to move around slowly and stealthily, like a predator. When you prowl through a dark and dangerous forest, you're always on the lookout for danger.
A priestess is a female priest or priestess. They are usually responsible for religious ceremonies and rituals.
When two people are wrestling, they are trying to control each other. They are pushing and pulling each other, and sometimes they will fall to the ground.
When someone is ambushed, they are surprised and attacked without warning. Sometimes this happens when someone is walking down a dark street at night.
Slayed means to kill. When the dragon was slain, it meant that the heroes had won the battle.
To kneel is to bend down or to sit down on the ground with your knees bent. When you kneel, you are usually praying or worshipping.
To outrun someone is to run faster than them. Sometimes you outrun someone by accident, but more often you outrun them intentionally.
To budge is to move or to change something in a small way. If you're trying to convince someone to budge on their position, you're asking them to change their mind a little bit.
Lazuli is a type of mineral that is used to make blue dye. It is also sometimes used as a pigment.