Content & Trigger Warnings for Sword Art Online (2012)

Sinon is stalked by Shinkawa who becomes obsessed with her; he attempts to assault her in her apartment

Yuuki dies young from her terminal illness; the Sleeping Knights are all young people dying from incurable conditions

Young Underworld inhabitants die in the war; the human cost of the conflict includes people of all ages

Multiple player deaths throughout the Aincrad arc cause genuine grief; Kirito witnesses friends die and carries survivor's guilt

Yuuki's terminal illness and death is one of the most emotionally devastating arcs; Asuna grieves deeply and the Sleeping Knights guild knows they are all dying

Kirito is catatonic after Eugeo's death; losing his closest friend breaks him psychologically for an extended period

Characters mourn massive losses from the war; Kirito's recovery from catatonia involves processing Eugeo's death and his own guilt

Some trapped players give up hope and stop fighting; the psychological pressure of the death game drives despair; removing the NerveGear means death

Yuuki has AIDS contracted through a blood transfusion and is terminally ill; she lives in VR because her body is failing; her death is shown on screen

Kayaba concealed his identity as a guild leader to manipulate the players; Sugou manipulates Asuna's family about her condition to maintain control

The invading players attempt to exterminate all Underworld inhabitants treating them as non-persons; the Dark Territory forces also seek total destruction

10,000 players are trapped in SAO against their will by Kayaba; Asuna is later imprisoned in ALO by Sugou who keeps her comatose body in his facility

Sinon is targeted and stalked by Death Gun's accomplice in the real world while she is unconscious in VR

Large-scale war erupts in the Underworld with armies clashing; the scale of combat and casualties escalates dramatically

Full-scale war dominates the entire season; the Human Empire vs Dark Territory conflict produces thousands of casualties in brutal combat

The Axiom Church imprisons anyone who violates the Taboo Index regardless of moral justification; Eugeo and Kirito are imprisoned for defending others

Heavy blood throughout combat sequences; the Underworld war scenes are particularly bloody with mass casualties

Battlefield sequences are drenched in blood; the war produces constant bloody combat across every episode

Characters are impaled through the eye; transformation sequences and the nature of Fluctlight souls being manipulated are unsettling

Dark Territory creatures have monstrous forms; characters undergo disturbing transformations; massive-scale destruction of bodies on the battlefield

Players are trapped in Aincrad with no way to log out; Asuna is locked in a birdcage at the top of the World Tree in ALO

Hospital scenes show characters connected to medical equipment; Asuna and other comatose players are shown on life support with tubes and IVs

Yuuki is shown in a hospital connected to extensive medical equipment; her deteriorating condition involves medical procedures and monitoring

Oberon is an adult man who holds the unconscious teenage Asuna captive with sexual intent

Fanservice and suggestive scenes appear throughout various arcs

Sugou imprisons Asuna in a virtual cage and repeatedly forces himself on her; he uses his admin powers to prevent her from fighting back

Shinkawa pins Sinon down and attempts to inject her with a lethal drug; the scene has clear assault undertones

Flashbacks show Kirito and Eugeo as children facing harsh treatment; the noble class exploits and abuses commoners including children

Characters die permanently in the death game when their HP reaches zero; some deaths are violent with dissolving avatar effects representing real death

GGO combat features bullet wounds and avatar destruction; less graphic than traditional gore but the shooting violence is persistent

The Alicization arc features graphic sword combat with dismemberment; characters lose arms and eyes; the Underworld war produces massive casualties

The War of Underworld arc features massive battlefield gore; dismemberment, decapitation, and mass death on an enormous scale

Minimal gun violence; combat is primarily sword-based in SAO and magic-based in ALO

The Gun Gale Online arc centers entirely around firearms combat; realistic gun battles, sniper sequences, and a shooting tournament dominate the season

Real-world scenes involve military operations and gun violence; Sinon uses her GGO character with firearms in the Underworld

Players who attempt to remove their NerveGear or disconnect die; some players are implied to have given up on living

Death Gun's real-world murders target players who were members of a notorious PK guild; Sinon's trauma stems from killing a man as a child in self-defense

In the Alfheim Online arc, Oberon/Sugou sexually assaults Asuna while she is chained and helpless; he gropes her and licks her tears while Kirito is forced to watch

A noble attempts to rape two women in a deeply disturbing scene that is shown in significant detail; this triggers a major plot event

Invading players from the real world attempt sexual violence against Underworld inhabitants; the scene is interrupted but the intent is clear and disturbing

The Underworld's feudal system functionally enslaves lower-class inhabitants; nobles have absolute power over commoners enforced by the Taboo Index

The Axiom Church punishes dissenters harshly; characters are imprisoned and subjected to cruel treatment under the Taboo Index

Real-world players who invade the Underworld commit atrocities against the inhabitants for entertainment; PoH tortures characters sadistically