Yes. In Palworld v1.0.3, Xenogard can get Otherworldly Cells through currently verified methods: it is a fixed passive. Otherworldly Cells is a fixed passive on Xenogard in v1.0.3; every Xenogard has it. The facts behind this answer are graded B and come from 2 registered sources.
Reason
Attack +10%; Element Boost Electric +15%; Element Resist Fire +15%
Rank
1
Random pool
No
Other Pals
3
Xenogard breeding recipes
1
Fixed passives on Xenogard
1
Custom slots available
3
Verified evidence claims behind this verdict
2
Xenogard parent pairs with a direct source of Otherworldly Cells
1 of 1
Otherworldly Cells breeding route for Xenogard: 1 of 1 parent pair include a direct source (Xenogard).
Why
Otherworldly Cells is a fixed passive on Xenogard in v1.0.3; every Xenogard has it.
How Otherworldly Cells can be acquired on Xenogard in v1.0.3
Current method
Available for Xenogard?
Note
Fixed / innate
Yes
Otherworldly Cells is fixed on Xenogard — it is born with it.
Random pool (catch or hatch)
No
Otherworldly Cells: no verified rule puts it in the random pool for Xenogard.
Implant (Surgery Table)
No
Otherworldly Cells: no verified item method grants it here.
Breeding inheritance
Yes
Xenogard can inherit Otherworldly Cells along a verified breeding chain, under the standard passive-inheritance rule this dataset has not independently sourced.
Verdict per requested component on Xenogard in Palworld v1.0.3
Otherworldly Cells is a fixed passive on Xenogard in v1.0.3; every Xenogard has it.
B B · 2 sources
How it reaches this Pal
Otherworldly Cells is fixed on Xenogard — it is born with it.
Every Xenogard in v1.0.3 is born with Otherworldly Cells, so none of its 1 breeding recipe has to carry it.
What you can do now
Otherworldly Cells is fixed on Xenogard — it is born with it.
Alternative: Xenogard can inherit Otherworldly Cells along a verified breeding chain, under the standard passive-inheritance rule this dataset has not independently sourced.