Tomestones via Duty Roulette: low level - how?

[Alx789]

Release notes for patch 2.28
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Tomestones of myth:

Duty Before After
Labyrinth of the Ancients 100 -> 150
Duty Roulette: Trials 40 -> 70
Duty Roulette: High Level 50 -> 70
Duty Roulette: Low Level 60 -> 100
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What should i do to get tomestones from duty roulette duties?
I just now passed roulette duty using lvl 30 class and got gil, xp and seals - no tomestones.

I must join using lvl 50 class or something else?

[SeraviEdalborez]

Only lv50 can get tomestones from low roulette. It's the trade-off to not getting experience.

[Bixillarla]

The myth tome bonus is for level 50 players to entice them to do low level dungeons. You won't get the myth tomes until you reach level 50.

[Niwashi]

Is it the current class that has to be 50, or is it like GC seals, that once one class is high enough to unlock them, all your classes can earn them?

[Bixillarla]

Current class. You have to run it as a level 50. If you run a lower level class you will get the seals again.

[SeraviEdalborez]

Current class.

[Garlyle]

Current class.

Yup, it's entirely an either-or thing. If you enter as a class that's <50, you'll walk out with seals and a huge EXP bonus (classes that are <20 doing it could walk out with two levels worth of EXP; and even those nearing 50 will usually get half a level or more from the EXP bonus); if you enter with a class that's already 50, you walk out with a hefty chunk of Mythology.