What ilvl(in weekly chest) do I get if I finish a +10 this week?

[Akston-bloodhoof (Akston)]

What's Changing (and Not!) in Season 2

Hi all, We have a series of blogs accompanying the release of the upcoming Battle of Dazar’alor raid, the new Mythic Keystone season, and the new PvP season, offering deep dives into each of those features. But in the meantime, the community clearly has a ton of questions (and some confusion) about exactly what is and isn’t changing. Should you be spending or saving your bonus rolls? What should you expect from the weekly Mythic Keystone cache next week? What’s up with the Azerite vendor? For …

@Watcher

• Mythic+ rewards will also go up by 30 item levels; however, during the first week of Season 2, rewards from end-of-run chests will be capped at Mythic 6 quality (item level 385), and the chest you open next week will contain Season 1 rewards if you do a Mythic+ run this week. (So, for example, if you do a Mythic 10 during the final week of Season 1, you’ll get a Season 1 item level 380 piece and 60 Residuum from your first Season 2 chest.)
• The weekly cache that becomes available in the second week of the season will not be affected by this cap, so if a player does a Mythic 10 dungeon during the first week, they will get a Mythic 10 reward (item level 410+) from their cache the following week.