Aion 2 patch notes: Trick or Treat event, Odyle Energy limits, Abyss changes

What changes for farming and trading

• Candy Key Fragments drop in Expedition and Transcendence dungeons. 60 fragments make a Candy Key, once a week per server.
• Odyle Energy (Bound): the weekly limit per character goes from 4 to 20, and the weekly server-wide limit of 16 is gone.
• The coin shop sells a Special Halloween Chest (250 coins, one per server) with the Spooky Scary Skeleton breastplate skin, and, each with a limit, Odyle Energy, Lower Abyss Rift Stones, Life Crystals, Halloween Candy, Halloween Cookies and Resurrection Spiritstones. The Pumpkin Clown and Pumpkin Cutie eyewear skins cost 300 Quna each.
• Trick or Treat runs until the Nov 3 (PST) maintenance. Daily attendance pays Halloween Pumpkin Coins (35 a day, 100 on days 7 and 14), and weekly Season Missions pay more, once a week per server: Expedition, Transcendence, Nightmare, Dimensional Invasion, Shugo Festival and others.
• Coin Merchants for Elyos are in Verteron (Dawn Legion Base, Zumion Village).
• Conquerors of the Abyss: Abyss Rift Stones can be bought with Kinah until the Oct 27 (PDT) / Oct 28 (CEST) maintenance.

Everything in this update

Zones

• Two weekly Season Missions in the Abyss now give Abyss Entry Stones: spend an hour in the Abyss, and defeat Guardian Lord Nahma once. Stored Abyss entry time is capped at 7 hours.

Drops

• Candy Key Fragments drop in Expedition and Transcendence dungeons. 60 fragments make a Candy Key, once a week per server.

Events

• Trick or Treat runs until the Nov 3 (PST) maintenance. Daily attendance pays Halloween Pumpkin Coins (35 a day, 100 on days 7 and 14), and weekly Season Missions pay more, once a week per server: Expedition, Transcendence, Nightmare, Dimensional Invasion, Shugo Festival and others.
• Coin Merchants for Elyos are in Verteron (Dawn Legion Base, Zumion Village).
• Conquerors of the Abyss: Abyss Rift Stones can be bought with Kinah until the Oct 27 (PDT) / Oct 28 (CEST) maintenance.

Items

• The coin shop sells a Special Halloween Chest (250 coins, one per server) with the Spooky Scary Skeleton breastplate skin, and, each with a limit, Odyle Energy, Lower Abyss Rift Stones, Life Crystals, Halloween Candy, Halloween Cookies and Resurrection Spiritstones. The Pumpkin Clown and Pumpkin Cutie eyewear skins cost 300 Quna each.

Market

• Odyle Energy (Bound): the weekly limit per character goes from 4 to 20, and the weekly server-wide limit of 16 is gone.

Systems

• While server transfers are open, Instant Clear Ticket: Daily Dungeon (Bound) and Soul Crystal (Bound) move from the Wind Breeze Merchants' Special tab to Substance Morph.

Classes

• Sorcerer and Spiritmaster fixes, including Fire Wall damage where the ground isn't level.

On Kinah Ledger

Drops, spawn points and prices for what this update touches:

Summarized by Kinah Ledger from the official notes: read the official patch notes. The official notes are the full and final word.