First, rasterize the text, add a stroke, and apply the charcoal or calligraphy stroke effect in the brush library to the stroke.
Then raster stroke, select the text and stroke in Pathfinder and use Union. Then use the lattice, scallop, and wrinkle tools to correct it.
However, these methods can only fragment the edges, and hollowing out is basically impossible. To create a hollowing effect, you need to prepare a broken compound path pattern in advance (the color must be different from the text), and then adjust it Size it so that it is above the text (the rasterized text). Select both the text and the broken pattern. Use Split in Pathfinder. Then ungroup them all and click on one of the fragments embedded in the text (make sure not to click on the other fragments). Color tiles) In the menu bar, find the fill color in the same selection. At this time, all the fragment colors have been selected. Press DELETE to delete.
In addition, these methods are actually very troublesome. The simple method is to create a broken effect in PS (it is best to use a monochrome image), save a large image, import it into AI, and then On the toolbar below the menu bar, use Trace and Expand in sequence.