Eternal Trial

The Eternal Trial is a challenge room added as apart of the Eternal Palace DLC. It is an endless Eternal Ordeal-styled trial of enemies and bosses found all throughout Hallownest. For anyone who wants to test their strength against the entire kingdom of Hallownest (and Pharloom?), this is the place. It had replaced the scrapped Trial of the Silencer that was originally planned to be apart of the Colosseum of Fools.

The Eternal Trial takes place in the Pale Arena, watched by the Pale King and several members of the Royal Party.

While the Eternal Trial is infinite, there are certain milestones that grant rewards: The Eternal Trial takes place in the Pale Arena, in which the Pale Titan attempts to defeat the Knight in an all out war. Different types of enemies are present, usually battling with the others of their classes, and ending with a mini-boss/large round.
 * Completing round 10 rewards a King's Idol
 * Completing round 50 rewards a Mask Shard
 * Completing round 100 rewards the Fool Armor charm
 * Completing round 200 rewards an Arcane Egg

Lore
The first enemies are the King’s own subjects: the creatures of the Void and the White Palace inhabitants. After realizing he’ll need help in the trial, the Pale Titan calls upon his various followers of the kingdom, as well other beings of Hallownest as well. Despite his past conflicts with the Soul Sanctum civilians, the Pale King summons Soul Master and his scholars to the arena. The Mantis Tribe also make an appearance in the arena, led by the Traitor Lord himself. Despite the attacks they had done on the White Lady, they are still welcomed by the Pale King. His last resort is to use his most hated enemy, the Infection itself. After all that fails, he releases all the groups at once to fight and eventually overcome the Knight.

Enemies
The first table features the first sections of the trial, divided into different groups and species that face the player. Each time a new group of enemies are introduced, 2-4 Lifeseeds will drop down from the ceiling beforehand to give the Knight extra health. Dying in the Trial will reset you to the last checkpoint after the Lifeseeds round. For example, if you die to the Traitor Lord, you will not set back to beginning, but rather, the beginning of the Mantis Traitor section. After all enemy types are defeated, enemies will randomized and it will truly be “Eternal.” Below are the following enemy sections, see here for the randomized enemies.