Won at first try on Expert Mode

[windd]

I just beat Death boss enemy in expert mode, my first run ever, using Azar, Chain, Hien and the lady priest whom I forgot the name haha

Is this a normal thing? Game feels easy right off the bat if you take time to consider everything before taking actions

[crying bird]

Wow congrats want a quick one?

This is not the real last boss tho.

[Pars'd / 2]

To my knowledge, winning on the first run is a lot easier than it used to be since the investigators have received a fair number of buffs but the enemies haven't.
Granted, the first run is kinda like a tutorial run.

[Samseng Yik]

Congratulation on the good talent card battler.
Now you can continue play like Slay The Spire Monster Train try different heroes and synergies.
Also, every heroes got a win icon beside them, try complete them all.

The heroes available at start are "easy to use" type.

[Prometheus]

The start difficulty isn't that hard. You'll get more bosses that are much harder as well as options to increase difficulty further by playing. If by first run you mean the tutorial run where Phoenix tells you you weren't supposed to get that far then you need to do another run to basically the same point. Then you'll get an option to go on to a much harder final boss. I forget if you need to beat this boss to get blood mist (basically another difficulty spike mechanism) or if the unlock is something else. Still you have a good bit more difficulty to unlock so don't sweat it.

[Mazy]

Reaper is probably the easiest "final boss" that exists in this game, there's a handful of harder bosses then him that unlock as you go and the starting characters besides maybe Azar are generally easier to pilot too which helps because there's not a ton of decisions you need to make besides waiting for Azar's burst combo. Pressel has a very good reaper match up too especially for newer players, aka priest lady because prophecy kind of chumps his main mechanic.

Hien in particular is also a lot better on expert mode then blood moon 4 expert which is an optional risk reward difficulty boost, because enemies have less hp then in BW4 which helps Hein out a lot.

There's harder stuff unlocked so the first run is generally speaking the easiest. That said this game is not obscenely hard compared to others in the genre, beyond learning how to pilot each boss which some can be a bit tricky if you don't have the top end party comps, and tends to give the player enough agency to win through every run if they pick effective lines.