Go through the green door.

She passes through the green door at the end of the room. On the other side, she's greeted by a barrel filled with cyan coloured beans. They're almost luminescent in their hue, further illustrated by the flicking magic light against those at the surface. It seems as i the barrel is absolutely stuffed with them to the point of it nearly overflowing. The only exit is a straight path through the right wall. It seems to go on for some distance, but it's difficult to tell whether it turns or leads to a dead end, but usually, everything in a dungeon is there for some kind of purpose.

As she nears the barrel, the beans start to fidget around in place.

"Magic beans?" she thinks to herself. "What kind of encounter is that?"

Just then, they burst up from the top of the barrel to form a swarm of beans in the air. Then, a few fire towards her!