I wouldn't be surprised if they get a buff once arc 3.0 and solar 3.0 come out.
I think the titan glave bubble should give you an oversheild when passing through it and maybe a weak damage buff.
Warlock glave turret should increase solar grenade recharge and maybe a small buff to crit damage/range
Hunter glave should fire a wave across the ground that chains lightning and hits recharge arc abilities.
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Its likely they'll get an unintentional buff with the changes when they arrive- kind of how void weapons are passively buffed by volatile rounds