Honestly a Wave Serpent is better than all of out vehicles for survival, it will most likely take on the table 5/6 games.
You can get upgrade to advance 2d6 rather than 1d6 and when you advance you get -1 to hit, also always take Assault weapons on it (Shuriken) so you can shoot after you advance.
If you being Ynnari, moving [(16+2D6 (7 on average)] 23" in 1 turn to set up a next turn Ynnari style Dbl Shot from Fire Dragons!.
Im looking at Ynnari a bit for more competitive play
My started 5 units for Ynnari are:
1) Dark Reapers
2) Hemlock
3) Fire Dragons
4) Wave Serpent
5) BIKES!!!!
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New to Blogging, just starting https://maddpaint.blogspot.com/
Drukhari: 10k+
SoB: 3k
AoS: BoC 9k, CoS 3k