Who is better for skill r4 rank up gem?

Got a skill rank up gem for a while but not yet determined on who to rank up. What do you think? Thanks.
Precondition:
- I don’t have NF and Hit-Monkey
- Tentative preference is Blade. This is a champ that I got in 2021 from NF hunting and I applied a skill AG on him. I know he may not be that top for current meta but I still quite like him.
- I think of Masscare too but I have 6* version

Precondition:
- I don’t have NF and Hit-Monkey
- Tentative preference is Blade. This is a champ that I got in 2021 from NF hunting and I applied a skill AG on him. I know he may not be that top for current meta but I still quite like him.
- I think of Masscare too but I have 6* version

Who is better for skill r4 rank up gem? 18 votes
0
Comments
very good champ and you should be upgrading who you want to.
The reason for creating a poll post is to discuss those choices that I have no concrete idea yet, but I have also stated my preconditions in advance. It is to seek advices that maybe I have overlooked.
To be honest, skill is my weakest class and I seldom bring in skill champs with me in story quest, EQ, AQ...etc. Aegon is mainly ranked up for LoL/Abyss. I got that r4 gem for certain period already, which reflects how less the chance I have in ranking up skill champs.
Currently I saved my 5* shards mainly for hunting NF/Hit Monkey (I.e. mutant-skill dual crystals) as I almost collect most of the god tier champs in other classes. Blade is a kind of nostalgic champ during my over 5 years of gameplay, as he was once the mostly sought champ and I still saw demos using him nowadays. I think blade still did well standalone despite one of his trinity member - GR, becomes less and less relevant in the current meta.
Elsa/Moleman are worthy options yet I seldom use them in gameplay other than Arena, thus I have yet to treasure their function.....and that is why I want to hear more from other players choices.