Yes. In Palworld v1.0.3, Orserk can get Lord of Lightning through currently verified methods: it is a fixed passive. Lord of Lightning is a fixed passive on Orserk in v1.0.3; every Orserk has it. The facts behind this answer are graded B and come from 2 registered sources.
Reason
Element Boost Electric +20%
Rank
3
Random pool
No
Other Pals
1
Orserk breeding recipes
1
Fixed passives on Orserk
1
Custom slots available
3
Verified evidence claims behind this verdict
2
Orserk parent pairs with a direct source of Lord of Lightning
1 of 1
Lord of Lightning breeding route for Orserk: 1 of 1 parent pair include a direct source (Orserk).
Why
Lord of Lightning is a fixed passive on Orserk in v1.0.3; every Orserk has it.
How Lord of Lightning can be acquired on Orserk in v1.0.3
Current method
Available for Orserk?
Note
Fixed / innate
Yes
Lord of Lightning is fixed on Orserk — it is born with it.
Random pool (catch or hatch)
No
Lord of Lightning: no verified rule puts it in the random pool for Orserk.
Implant (Surgery Table)
No
Lord of Lightning: no verified item method grants it here.
Breeding inheritance
Yes
Orserk can inherit Lord of Lightning along a verified breeding chain, under the standard passive-inheritance rule this dataset has not independently sourced.
Verdict per requested component on Orserk in Palworld v1.0.3
Lord of Lightning is a fixed passive on Orserk in v1.0.3; every Orserk has it.
B B · 2 sources
How it reaches this Pal
Lord of Lightning is fixed on Orserk — it is born with it.
Every Orserk in v1.0.3 is born with Lord of Lightning, so none of its 1 breeding recipe has to carry it.
What you can do now
Lord of Lightning is fixed on Orserk — it is born with it.
Alternative: Orserk can inherit Lord of Lightning along a verified breeding chain, under the standard passive-inheritance rule this dataset has not independently sourced.