- When Swain dies, Beatrice flies off the screen.
- Beatrice can be seen on the Crystal Scar. She will land on the barrier near the Boneyard node for a short time and then fly off.
- Interestingly, if Swain dies while casting , there will be two Beatrices on the battlefield, one attached to the laser and one on his back when he falls to the ground.
- Lords of Change, from the franchise. transformation has a similar appearance to Tzeentch's Greater Daemons, the
- The ending quote to Swain's background is based on Joseph Heller's novel .
- Based on the lore, Swain was unable to compete in the Ionia Versus Noxus Grudge Match due to recently becoming a member of the Noxian High Command, thus needing to take time away from the League to put all his affairs in order.
- Swain is the second champion to feature a transformation ability, the others being , , , , and .
- Swain's raven is named  .
- Swain was designed by Steven 'Coronach' DeRose.
- Swain was the first champion to be announced and then reworked before he went live. As shown in his Champion Spotlight, damage over time was increased by the amount of damage taken in its duration.
- His given name Jericho derives from Hebrew יָרֵחַ yareah, meaning 'moon', also name of a real-life city; his surname from Old Norse sveinn 'boy, servant'
is a reference to the narrative poem , by .
- According to David 'Phreak' Turley, ability was originally supposed to be called Nevermore and was called Nevermove as a pun. When the ability was implemented in the game the name was not changed back.
- Swain's quote, "The early bird guts the worm," is based on a famous idiom, "The early bird gets the worm."
- While is active, Swain has three separate /jokes and an additional /taunt, unlike other champions with "true forms".
- In polish client, selection quote is "Rozdziobią was kruki, wrony" (You gonna be pecked out by crows and ravens), which is a reference to Stefan Żeromski's 1895 novel of the same title.
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- The color of Swain's form in changes with different skins. Classic Swain is black, Northern Front Swain turns white, Bilgewater Swain turns red, and Tyrant Swain is blue, with clothes and a staff. In addition, Beatrice's form is a different species of birds in Swain's other skins.
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- It is a reference to the , a major military organization created during the .
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- It is likely a reference to , the antagonist of the novel .
- Beatrice is a scarlet macaw. In the American splash art Beatrice's flight feathers are blue and green, as opposed to the real life macaw's blue and yellow feathers, however, on the Chinese splash art the colors are just like the real life parrots.
- He is seen with Beatrice being a macaw, however, real life pirates actually had Amazon Parrots as pets, as opposed to the exotic Macaw.
- He shares this theme with Katarina.
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- It can be seen in the left of Battle Bunny Riven's Splash Art. It is also seen during the coronation scene.
- This skin thus depicts Swain after his rise to Grand General, the highest position of power in Noxus.
- This is also the only skin in which Swain is not dependent on his cane to walk; he instead carries a staff.
- Swain was the Grand General, and now leader of Noxus, one of Valoran's most powerful empires.
- Swain was a member of the Black Rose, a dark and mysterious group that controlled Noxus before the rise of the military government. They were thought to no longer exist. However, with the reemergence of their leader , the Black Rose are working towards getting the organization back into power.
- Swain and , have a deep, hate-filled rivalry. He has attempted to kill Jarvan IV on several occasions.
- After attending one of concerts, he stated: "Her melody moves the soul, her silence sunders the body."
- During the War of Kalamanda, and his Dauntless Vanguard hindered the progress of Swain and his army's advancement at every turn.
- Swain has formed an alliance with , and they worked together to unite the nation behind a vision of true Noxian strength.
- Swain possibly knows the reason for the mysterious disappearance of father.