Xkcd style reference and prompts

A monochrome pen-and-ink drawing creates depth through the density of small black marks on white paper. Tall irregular contour masses frame a broad central opening, while a tapering lower channel directs the eye into distance. Short crosshatches, stipples, and scratchy strokes accumulate into deep shadow at one edge; fine broken horizontals spread across the lower field and become lighter toward the horizon. Small floating dots and tiny star-like marks give the open upper space a measured rhythm. The strongest light is the unmarked white paper itself, set against ink-heavy margins. Outlines remain crisp and hand-drawn, with uneven thickness and slight wobble. The composition balances richly worked texture against generous blank space, allowing a few miniature accents to establish scale and a quiet narrative mood.

A square black-ink drawing shows a narrow water passage between high rocky cliffs beneath a moon and scattered stars. The near right cliff rises steeply from the water and occupies almost the entire right edge, its broken surface packed with short hatching and stippled shadow. A tiny cluster of towers and pointed rooftops sits at its upper tip. Across the channel, a thinner wall of jagged peaks runs down the left edge, leaving a wide opening of white sky between the two dark landforms. A round moon hangs in the upper left sky, outlined with a thin circle and lightly filled with crater-like marks. Small irregular stars and dots are dispersed across the open space. In the lower center, a tiny person sits in a narrow rowboat near the foreground, facing toward the distant gap. Farther back, an even smaller sailboat stands on the bright horizon. The water is drawn with many broken horizontal strokes; dense ripples near the foreground gradually compress into quieter, thinner lines in the distance. The light is imagined through the uninked paper: the sky and central channel remain almost white, while the cliffs grow dark through accumulated marks. Hard black outlines define the rock edges, then short scratchy lines model their texture. The composition draws the eye from the small boat through a tapering corridor toward the luminous distance. Sparse celestial marks balance the dense cliff textures and give the scene a whimsical, solitary storybook feeling.