Shattered Pixel Dungeon v2.4.2- android, github version

I am new to Shattered Pixel Dungeon, and I am confused about the Huntress playstyle. The Huntress is able to go through grass without trampling it. Is there some sort of tangible benefit to being able to do this? Is there a stealth advantage as long as the Huntress is in the grass? I do not see some sort of active condition in the character menu when the Huntress is in grass. Otherwise, what is the tangible benefit to the Huntress not being able to cut grass?

Also, what exactly is the game plan for Huntress / using upgrade scrolls as Huntress?

For Warrior, I was struggling a lot since I was upgrading my original weapon instead of upgrading higher tier weapons. I did not know that upgrades go higher on the higher tier weapons. I saw on the internet that I should save my scrolls of upgrade for tier 5 weapons and armor, so I followed that strategy and managed to get a win.

For mage, I saw on the internet that you can go battlemage and put the scrolls of upgrade into the staff that you get by default at the beginning of the game. This makes the beginning of Mage a lot easier, since I do not have to hoard my scrolls until the end of the game. Otherwise, Mage feels harder at the beginning of the game than Warrior does. I managed to get a win with Mage by dumping all the scrolls of upgrade into staff and staff bashing the whole game. I was also lucky enough to imbue wand of fireblast into the staff.

For Rogue, I saved the upgrade scrolls until I could get a tier 5 melee weapon, then put most of the upgrades into the weapon. Rogue felt like the easiest class to win with so far. The Demon Halls are a lot easier when none of the enemies can see where I am.

For Huntress, however, what is the game plan? The spirit bow does not take upgrade scrolls, so I cannot upgrade it like I could upgrade the mage’s staff. The starting weapon is very weak. The early game seems particularly hard, but I want to save my upgrade scrolls for a tier 5 weapon instead of spending them on weak weapons in early game. So what is the game plan here?

Thank you for your help.

edit: thank you for your comments. very helpful.