Mode of attack used by enemies in bullet hell shooting games. Complex attack patterns, made of hundreds to thousands of projectiles fill the screen. The player must weave through tiny gaps in the barrage. End-stage boss attacks are especially spectacular, in an attempt to intimidate and dazzle the player. Danmaku are usually made of missiles, but are sometimes combined with other hazards such as lasers, flames and lightning arcs for added challenge. throwing knives, flower petals, paper charms, and even ghosts have also been employed in addition to the usual shells and colored balls.