From ADOM Wiki
You ought to know that the "%s" means that there should be some string instead of it. In most cases it is used for "him"/"her"/"it", but it's also used for other stuff. See for yourself.
blasted %sself into the afterworld with an alchemical experiment exhausted %sself by casting too many spells got roasted while trying to scorch webs in %s vicinity exhausted %sself by casting an improved fireball was killed by thorns growing from %s hands was shredded by an overloaded %s overtaxed %sself by animating too many %s was burned by the acidic skin of %s was burned by the acidic skin of %s was killed %sby %s was drained of all substance was transformed into %s was drained of all coherence was transformed into %s was aged to death by %s was shot by %s was killed by a %s thrown by %s was ripped apart when confronting Order and Chaos was killed by believing in the promises of Chaos was extinguished by an exploding fluff ball was killed by drinking a poisoned cocktail was burned from within by acidic herbs poisoned %sself with spider-filled bread petrified %sself by eating a gorgon corpse entered the plane of Primal Chaos was transformed into a true servant of Chaos was sliced by an eternal Chaos guardian was shredded to pieces by the inhabitants of the planes of Chaos was devoured after failing the final test died of exhaustion on a bad day quit prematurely was transformed into a chaos being transformed into the highest ChAoS gOd transformed into an avatar of %s transformed into a miserable and wretched chaos servant broke %s leg on a wall broke %s leg when kicking a tree broke %s leg when kicking a forge broke %s leg while kicking at the air was crushed by a collapsing dungeon broke %s neck by using inadequate climbing equipment broke %s neck while falling down some narrow stairway was eaten by a slavering grue drowned was shredded by chaos piranhas was killed by falling down a deep rift was eaten alive by a spider swarm terminally broke %s leg by kicking an anvil terminally broke %s leg by kicking a statue was killed by a psychic backlash was killed by a psychic backlash was killed by vile %s magic was frozen to death by %s was blasted with energy by %s was blasted with magic missiles by %s was extinguished by %s was blasted by %s was doomed to be killed by a misfired divine energy bolt was roasted was electrocuted died of pneunomia was sacrificed by %s to %s gods was shredded by an exploding artifact was killed by the %s of %s was squished by the mark of the failed paragon was killed by an unaligned amulet was killed by an unaligned piece of armor died of blood loss starved to death died of acute blood poisoning choked on %s own vomit while %s was wasted away by the terrible black fever was electrocuted by a magically charged armor died due to physical exhaustion was crushed by tons of luggage died of old age was blasted into oblivion by an angry deity was killed due to system overheating died of old age was killed by an exploding frog was scorched by a scroll of charging was killed by shattering mirrors was drained of %s life force by strong magic was ripped apart by an exploding spellbook broke %s neck in a magically created pit sacrificed %sself to %s was annihilated by divine wrath broke %s leg on an altar was killed by a booby-trapped door was smashed by a stone block was fried by a magical explosion was crushed by a toppling door was killed by %s opening a booby-trapped door broke %s neck in a pit trap was killed by an arrow trap got %s head smashed by a stone block was killed in a spear trap was mutilated by an acid trap was crushed by a collapsed ceiling broke %s neck by falling into a pit was toasted when opening the lock of elemental fire whipped %sself to death was killed by trying too hard to be a great writer killed %sself with a death ray electrocuted %sself with a faulty wand of lightning electrocuted %sself with a wand of lightning! magic missiled %sself to death broke %s neck in a self-made hole froze %sself with a cone of cold! dissolved %sself with a wand of acid transformed %sself into an ash heap with a wand of fire! executed %sself with a%s %s executed %sself with a %s drained %s life away with a death ray was killed by an earthquake was drained by a wand of destruction was scorched by a fiery explosion was frozen to death by an ice storm was electrocuted by mighty lightning strokes was consumed by a torrent of acid was digested by a giant slug was dissolved by an eternium golem was scorched by a steel golem was scorched by a fire drake was annihilated by the Chaos Wyrm was roasted by a greater fire elemental was roasted by a fire elemental was scorched by a fire grue was ignited by a fire demon was drowned by a greater water elemental was drowned by a baby water dragon was drowned by a water dragon was drowned by a giant dragon turtle was drowned by a dragon turtle was frozen to death by a shadow wyrm was electrocuted by a lightning lizard was electrocuted by an ancient blue wyrm was roasted by a stone statue was roasted by a red worm was scorched with a lightning bolt by a greater air elemental was blasted by an ancient karmic wyrm was blasted by a great karmic wyrm was blasted by an ancient karmic dragon was blasted by a karmic dragon was blasted by a baby karmic dragon was blasted by a chaos lizard was annihilated by %s (Keriax, the Multi-headed chaos dragon) was scorched with a lightning bolt by an air elemental was digested by an ankheg was scorched by an iron golem was torched by a greater daemon was torched by a lesser daemon was burned by a hell hound was flamed by a fire lizard was petrified by a gorgon was drowned by a water grue was drowned by a water elemental was drowned by the breath of a fairy dragon was dissolved by a black baby dragon was frozen to death by a white baby dragon was electrocuted by a blue baby dragon was scorched by a red baby dragon was frozen to death by a great white wyrm was frozen to death by an ancient white dragon was frozen to death by a white dragon was dissolved by a great black wyrm was dissolved by an ancient black dragon was dissolved by a black dragon was electrocuted by a great blue wyrm was electrocuted by an ancient blue dragon was electrocuted by a blue dragon was scorched by a great red wyrm was scorched by an ancient red dragon was scorched by a red dragon was scorched with a lightning bolt by an air grue