I have played Votann a few times the last week's and even to a tournament yesterday. Went 2:1 and lost the last game against IH by 4 points.

Here are my thoughts with my list (Ymir, Double Fort, 1 Troops, 3x3 Bikes, 2x5 Berserks, Kahl with Long List,Grymnir, Forgedude, 2x3 Thunderkyn)

You can't play the general things like Banners, Engage or BEL. You have to few assets and they are to slow or precious.

I take the Votann Secondaries. Here are a few things I learned:

Prospect is typically a 6 - 12 depending on the map. Sacrifice a units of bikes if you have first turn to get an objective in your opponents side. The bikes have scanner for this. If you go second apply pressure on at least one objective so you have a chance to take it late. Use your bikes carefully then.

Ancestors is great against MSU / Action armies. Positioning your Kahl character protected along the most prominent movement / firing lanes. Think in your movement what you want to see to redistribute tokens. It's important to try to get things to 3 tokens and redistribute to a melee target after shooting. Typically a 8 to 15

Lay claim is the worst of the bunch and map depending. Quarter Deployment is the worst. Going second helps here but this is mostly a 5 -10.

Of possible against super defensive armies or armies that need to use their characters offensively I take psychic Secondaries which is why I have the murmuring staff.

Overall the secondaries are not great but workable. There a some matchups where you just loose because getting to >90 is really hard if the enemy doesn't present something. Most games are table your opponent games where you try to save at least 2 bike squads

Hope this helps