Never expected many of the statuses to do much, but if Lance wants the distance, he's inclined to spam them to keep his distance.
So it would seem that Stun wont work if Sonic's gonna be spam teleporting out of it, which is fair. Freeze is the same if he can just break out of being flash frozen- alright
As for Syphon, if it's on a player (like Lance for example) he is locked out of all of his skills EXCEPT for his basic swing attack. Enemies are reduced to their basic attacks as well (Like, spell casting enemies are reduced to basic attacks.). I guess the best way to describe Syphon is just like a magic muting ability. I dont know what it would do when put on Sonic (as Sonic really isnt an RPG enemy), but i think its gonna hinder a lot (but if it disables enemy magic in game, that would probably mean innate skills)
Dispel only works if Sonic has any buffs on him, in which it would just do nothing otherwise
Soul Pistol would really only work if Lance hits his attacks, but given the fact that he's going to be firing alongside his tank, the bullet spam might allow him to get some shots in on accident.
Anyways, Virus doesnt work like other statuses, instead of going away, it does more damage until 9 stacks (max stacks) are applies and do maximum damage. If Sonic is tired as well, it does even more damage. It can also spread to Lance over time and if he's close (though Lance can stack certain equips to absorb Bio damage (yeah if your resist percentage is above a certain amount in EBF, you absorb the damage (if not a little slightly)), but along with Regeneration- Lance may be able win like that. Its gonna take a while but a wincon is a wincon (oh yeah Virus can be cured by basic cleansing spells (like Natalies's Cleanse, Lance's Medipack/Medistrike, Purify, fkin GARLIC), but if Sonic has none of those tough luck for him)
Also Spine Snapper/Super Snipe i forgot to mention also pertains to his skills that use the weapon's element/statuses- so in addition to his basic attacks it would also help with Sniper, Double Shot, Unload, and i believe Hyper Beam- but in general yeah Lance would need to hit his shots for the chance for Instant Death to proc (because its only a chance to happen, but he can boost it with Lock On (skill that boosts accuracy and gives Good Luck)
((Hyper Beam is a skill he needs to charge, but once its done, he can fire off a beeg laser))
So it would seem both have a way to win. Sonic wants to get close and dominate in CQC, and Lance wants to keep distance and use statuses to slow Sonic down or kill him