used to wall in
that means it doesnt need an upgrade
and as we said before
HE IS NOT A WALLER
i said a little, and i said if anything. i was thinking in-between a regulare tier 1 wall, and a regulare tier 2 wall. since its purpose of walling in late-game gets defeated when a titan can kill it in 2-3 hits.
aka boosting his WALL-IN ninja power skills. not making him a waller.